Vitenskapelig artikkel

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• Doust, Jenny A.; Bell, Katy J. L.; Leeflang, Mariska M.G. et al. (2021). Guidance for the design and reporting of studies evaluating the clinical performance of tests for present or past SARS-CoV-2 infection. (ekstern lenke)
• Coşkun, Abdurrahman; Carobene, Anna; Aarsand, Aasne K. et al. (2021). Within- And between-subject biological variation data for serum zinc, copper and selenium obtained from 68 apparently healthy Turkish subjects. (ekstern lenke)
• Diaz–Garzon, Jorge; Fernandez-Calle, Pilar; Aarsand, Aasne Karine et al. (2021). Biological variation of venous acid-base status measurands in athletes. (ekstern lenke)
• Fernández-Calle, Pilar; Díaz-Garzón, Jorge; Bartlett, William et al. (2021). Biological variation estimates of thyroid related measurands - Meta-analysis of BIVAC compliant studies. (ekstern lenke)
• Bottani, Michela; Aarsand, Aasne Karine; Banfi, Giuseppe et al. (2021). European Biological Variation Study (EuBIVAS): Within- And between-subject biological variation estimates for serum thyroid biomarkers based on weekly samplings from 91 healthy participants. (ekstern lenke)
• Jonker, Niels; Aslan, Berna; Boned, Beatriz et al. (2021). Critical appraisal and meta-analysis of biological variation estimates for kidney related analytes. (ekstern lenke)
• Nøkleby, Kjersti; Berg, Tore Julsrud; Mdala, Ibrahimu et al. (2021). High adherence to recommended diabetes follow-up procedures by general practitioners is associated with lower estimated cardiovascular risk. (ekstern lenke)
• Diaz-Garzon, Jorge; Fernandez-Calle, Pilar; Aarsand, Aasne Karine et al. (2021). Long-term within- And between-subject biological variation of 29 routine laboratory measurands in athletes. (ekstern lenke)
• Aarsand, Aasne K.; Kristoffersen, Ann-Helen; Sandberg, Sverre et al. (2021). The European Biological Variation Study (EuBIVAS): Biological Variation Data for Coagulation Markers Estimated by a Bayesian Model. (ekstern lenke)
• Coşkun, Abdurrahman; Aarsand, Aasne Karine; Sandberg, Sverre et al. (2021). Within- And between-subject biological variation data for tumor markers based on the European Biological Variation Study. (ekstern lenke)
• van der Hagen, Eline A. E; Weykamp, Cas; Sandberg, Sverre et al. (2021). Feasibility for aggregation of commutable external quality assessment results to evaluate metrological traceability and agreement among results. (ekstern lenke)
• Coskun, Abdurrahman; Sandberg, Sverre; Unsal, Ibrahim et al. (2021). Personalized reference intervals - Statistical approaches and considerations. (ekstern lenke)
• Ricós, Carmen; Fernández-Calle, Pilar; Gonzalez-Lao, Elisabet et al. (2020). Critical appraisal and meta-Analysis of biological variation studies on glycosylated albumin, glucose and HbA<inf>1c</inf>. (ekstern lenke)
• Tollånes, Mette Christophersen; Jenum, Anne Karen; Berg, Tore Julsrud et al. (2020). Availability and analytical quality of hemoglobin A1c point-of-care testing in general practitioners’ offices are associated with better glycemic control in type 2 diabetes. (ekstern lenke)
• Loh, Tze Ping; Lord, Sarah J.; Bell, Katy et al. (2020). Setting minimum clinical performance specifications for tests based on disease prevalence and minimum acceptable positive and negative predictive values: Practical considerations applied to COVID-19 testing. (ekstern lenke)
• Tollånes, Mette Christophersen; Sjaastad, Geir E.; Aarli, Bernt Bøgvald et al. (2020). Spirometry in chronic obstructive pulmonary disease in Norwegian general practice. (ekstern lenke)
• Ceriotti, Ferruccio; Marco, Jorge Diaz-Garzon; Fernandez-Calle, Pilar et al. (2020). The European Biological Variation Study (EuBIVAS): Weekly biological variation of cardiac troponin i estimated by the use of two different high-sensitivity cardiac troponin i assays. (ekstern lenke)
• Cavalier, Etienne; Lukas, P.; Bottani, M. et al. (2020). European Biological Variation Study (EuBIVAS): within- and between-subject biological variation estimates of β-isomerized C-terminal telopeptide of type I collagen (β-CTX), N-terminal propeptide of type I collagen (PINP), osteocalcin, intact fibroblast growth factor 23 and uncarboxylated-unphosphorylated matrix-Gla protein—a cooperation between the EFLM Working Group on Biological Variation and the International Osteoporosis Foundation-International Federation of Clinical .... (ekstern lenke)
• Díaz-Garzón, Jorge; Fernandez-Calle, Pilar; Aarsand, Aasne Karine et al. (2020). Increases in High-Sensitivity Cardiac Troponin I in Athletes during a Long-Term Period of Routine Training Out of Competition. (ekstern lenke)
• Clouet-Foraison, Noemie; Marcovina, Santica M.; Guerra, Elena et al. (2020). Analytical performance specifications for lipoprotein(a), apolipoprotein B-100, and apolipoprotein A-I using the biological variation model in the EuBIVAS population. (ekstern lenke)
• Baravelli, Carl Michael; Aarsand, Aasne Karine; Sandberg, Sverre et al. (2020). Sick leave, disability, and mortality in acute hepatic porphyria: a nationwide cohort study. (ekstern lenke)
• Slåtsve, Kristina Barbara; Claudi, Tor; Lappegård, Knut Tore et al. (2020). The total prevalence of diagnosed diabetes and the quality of diabetes care for the adult population in Salten, Norway. (ekstern lenke)
• Tollånes, Mette Christophersen; Kran, Anne-Marte Bakken; Abildsnes, Eirik et al. (2020). Evaluation of eleven rapid tests for detection of antibodies against SARS-CoV-2. (ekstern lenke)
• Stavelin, Anne; Flesche, Kristine; Tollånes, Mette Christophersen et al. (2020). Performance of Afinion HbA1c measurements in general practice as judged by external quality assurance data. (ekstern lenke)
• Andersen, Janice; Thomsen, Janne; Enes, Åshild Rostad et al. (2020). Health-related quality of life in porphyria cutanea tarda: A cross-sectional registry based study. (ekstern lenke)
• Tran, Anh Thi; Berg, Tore Julsrud; Mdala, Ibrahimu et al. (2020). Factors associated with potential over- and undertreatment of hyperglycaemia and annual measurement of HbA<inf>1c</inf> in type 2 diabetes in norwegian general practice. (ekstern lenke)
• Nøkleby, Kjersti; Berg, Tore Julsrud; Mdala, Ibrahimu et al. (2020). Variation between general practitioners in type 2 diabetes processes of care. (ekstern lenke)
• Sølvik, Una Ørvim; Boija, Elisabet Eriksson; Ekvall, Sara et al. (2020). Performance and user-friendliness of the rapid antigen detection tests QuickVue Dipstick Strep A test and DIAQUICK Strep A Blue Dipstick for pharyngotonsillitis caused by Streptococcus pyogenes in primary health care. (ekstern lenke)
• Bakke, Åsne; Dalen, Ingvild; Thue, Geir et al. (2019). Variation in the achievement of HbA1c, blood pressure and LDL cholesterol targets in type 2 diabetes in general practice and characteristics associated with risk factor control. (ekstern lenke)
• Tran, Anh Thi; Berg, Tore Julsrud; Gjelsvik, Bjørn E. et al. (2019). Ethnic and gender differences in the management of type 2 diabetes: a cross-sectional study from Norwegian general practice.. (ekstern lenke)
• Gouya, Laurent; Ventura, Paolo; Balwani, Manisha et al. (2019). EXPLORE: A prospective, multinational, natural history study of patients with acute hepatic porphyria with recurrent attacks. (ekstern lenke)
• Kristoffersen, Ann-Helen; Stavelin, Anne; Ajzner, Éva et al. (2019). Pre-analytical practices for routine coagulation tests in European laboratories. A collaborative study from the European Organisation for External Quality Assurance Providers in Laboratory Medicine (EQALM). (ekstern lenke)
• Lord, Sarah J.; St John, Andrew; Bossuyt, Patrick M.M. et al. (2019). Setting clinical performance specifications to develop and evaluate biomarkers for clinical use. (ekstern lenke)
• Chen, Brenden; Whatley, Sharon; Badminton, Michael et al. (2019). International Porphyria Molecular Diagnostic Collaborative: an evidence-based database of verified pathogenic and benign variants for the porphyrias. (ekstern lenke)
• Carobene, Anna; Aarsand, Aasne Karine; Guerra, Elena et al. (2019). European Biological Variation Study (EuBIVAS): Within- and between-subject biological variation data for 15 frequently measured proteins. (ekstern lenke)
• Røraas, Thomas; Sandberg, Sverre; Aarsand, Aasne Karine et al. (2019). A Bayesian Approach to Biological Variation Analysis. (ekstern lenke)
• Sølvik, Una Ørvim; Løkkebø, Elisabeth Sellevoll; Kristoffersen, Ann-Helen et al. (2019). Quality of warfarin therapy and quality of life are improved by self-management for two years. (ekstern lenke)
• Bukve, Tone; Sandberg, Sverre; Vie, Wenche Sletbakk et al. (2019). Commutability of a whole-blood external quality assessment material for point-of-care C-reactive protein, glucose, and hemoglobin testing. (ekstern lenke)
• Gidske, Gro; Aakre, Kristin Moberg; Rustad, Pål et al. (2019). Handling of hemolyzed serum samples in clinical chemistry laboratories: The Nordic hemolysis project. (ekstern lenke)
• Baravelli, Carl Michael; Sandberg, Sverre; Aarsand, Aasne Karine et al. (2019). Porphyria cutanea tarda increases risk of hepatocellular carcinoma and premature death: A nationwide cohort study. (ekstern lenke)
• Kristoffersen, Ann-Helen; Petersen, Per Hyltoft; Bjørge, Line et al. (2019). Concentration of fibrin monomer in pregnancy and during the postpartum period. (ekstern lenke)
• Bustad, Helene J.; Toska, Karen; Schmitt, Caroline et al. (2019). A Pharmacological Chaperone Therapy for Acute Intermittent Porphyria. (ekstern lenke)
• Cajano, Giulia; Guerra, Elena; Locatelli, Massimo et al. (2019). The importance of the Biological Variation Data Critical Appraisal Checklist when designing experimental studies on biological variation. Comparison of two papers reporting biological variation results for S100-β and neuron-specific enolase proteins. (ekstern lenke)
• Gjelsvik, Bjørn E.; Tran, Anh Thi; Berg, Tore Julsrud et al. (2019). Exploring the relationship between coronary heart disease and type 2 diabetes: a cross-sectional study of secondary prevention among diabetes patients. (ekstern lenke)
• Cooper, John; Bakke, Åsne; Dalen, Ingvild et al. (2019). Factors associated with glycaemic control in adults with Type 1 diabetes: a registry-based analysis including 7601 individuals from 34 centres in Norway. (ekstern lenke)
• Hammersland, Marte Høvik; Aarsand, Aasne Karine; Sandberg, Sverre et al. (2019). Self-efficacy and self-management strategies in acute intermittent porphyria. (ekstern lenke)
• Aarsand, Aasne Karine; Díaz-Garzón, Jorge; Fernandez-Calle, Pilar et al. (2018). The EuBIVAS: Within- and between-subject biological variation data for electrolytes, lipids, urea, uric acid, total protein, total bilirubin, direct bilirubin, and glucose. (ekstern lenke)
• Monaghan, Phillip J.; Robinson, Sarah; Rajdl, Daniel et al. (2018). Practical guide for identifying unmet clinical needs for biomarkers. (ekstern lenke)
• Munkerud, Siri Fauli; Grepperud, Sverre; Sandberg, Sverre (2018). Hjemmetjenesten driver omfattende laboratorievirksomhet. (ekstern lenke)
• Carobene, Anna; Guerra, Elena; Locatelli, Massimo et al. (2018). Biological variation estimates for prostate specific antigen from the European Biological Variation Study; consequences for diagnosis and monitoring of prostate cancer. (ekstern lenke)
• Tran, Anh Thi; Bakke, Åsne; Berg, Tore Julsrud et al. (2018). Are general practitioners characteristics associated with the quality of type 2 diabetes care in general practice? Results from the Norwegian ROSA4 study from 2014. (ekstern lenke)
• Bakke, Åsne; Tran, Anh Thi; Dalen, Ingvild et al. (2018). Population, general practitioner and practice characteristics are associated with screening procedures for microvascular complications in Type 2 diabetes care in Norway. (ekstern lenke)
• Schmitt, Caroline; Lenglet, Hugo; Yu, Angèle et al. (2018). Recurrent attacks of acute hepatic porphyria: major role of the chronic inflammatory response in the liver. (ekstern lenke)
• Sølvik, Una Ørvim; Risøy, Aslaug Johanne; Kjome, Reidun Lisbet Skeide et al. (2018). Quality control of Norwegian pharmacy HbA1c testing: a modest beginning. (ekstern lenke)
• Aarsand, Aasne Karine; Røraas, Thomas; Bartlett, William A. et al. (2018). Harmonization initiatives in the generation, reporting and application of biological variation data. (ekstern lenke)
• Stavelin, Anne; Sandberg, Sverre (2018). Harmonization activities of Noklus - A quality improvement organization for point-of-care laboratory examinations. (ekstern lenke)
• Coşkun, Abdurrahman; Carobene, Anna; Kilercik, Meltem et al. (2018). Within-subject and between-subject biological variation estimates of 21 hematological parameters in 30 healthy subjects. (ekstern lenke)
• Risøy, Aslaug Johanne; Kjome, Reidun Lisbet Skeide; Sandberg, Sverre et al. (2018). Risk assessment and HbA1c measurement in Norwegian community pharmacies to identify people with undiagnosed type 2 diabetes ? A feasibility study. (ekstern lenke)
• Kristoffersen, Ann-Helen; Petersen, Per Hyltoft; Bjørge, Line et al. (2018). Within-subject biological variation of activated partial thromboplastin time, prothrombin time, fibrinogen, factor VIII and von Willebrand factor in pregnant women. (ekstern lenke)
• Carobene, Anna; Marino, Irene; Coskun, Abdurrahman et al. (2017). The EuBIVAS project: within- and between-subject biological variation data for serum creatinine using enzymatic and alkaline picrate methods and implications for monitoring. (ekstern lenke)
• Cadamuro, Janne; Simundic, Ana-Maria; Ajzner, Éva et al. (2017). A pragmatic approach to sample acceptance and rejection. (ekstern lenke)
• Baravelli, Carl Michael; Sandberg, Sverre; Aarsand, Aasne Karine et al. (2017). Acute hepatic porphyria and cancer risk: a nationwide cohort study. (ekstern lenke)
• Kristoffersen, Ann-Helen; Petersen, Per Hyltoft; Røraas, Thomas et al. (2017). Estimates of within-subject biological variation of protein c, antithrombin, protein s free, protein s activity, and activated protein c resistance in pregnant women. (ekstern lenke)
• Carobene, Anna; Røraas, Thomas; Sølvik, Una Ørvim et al. (2017). Biological variation estimates obtained from 91 healthy study participants for 9 enzymes in serum. (ekstern lenke)
• Carlsen, Siri; Skrivarhaug, Torild; Thue, Geir et al. (2017). Glycemic control and complications in patients with type 1 diabetes – a registry-based longitudinal study of adolescents and young adults. (ekstern lenke)
• Røraas, Thomas; Støve, Bård; Petersen, Per Hyltoft et al. (2017). Biological variation: Evaluation of methods for constructing confidence intervals for estimates of within-person biological variation for different distributions of the within-person effect. (ekstern lenke)
• Sølvik, Una Ørvim; Bjelkarøy, Wenche Iren; Berg, Kari van den et al. (2017). Intensive educational efforts combined with external quality assessment improve the preanalytical phase in general practitioner offices and nursing homes. (ekstern lenke)
• Lippi, Giuseppe; Baird, Geoffrey S; Banfi, Giuseppe et al. (2017). Improving quality in the preanalytical phase through innovation, on behalf of the European Federation for Clinical Chemistry and Laboratory Medicine (EFLM) Working Group for Preanalytical Phase (WG-PRE). (ekstern lenke)
• Panteghini, Mauro; Ceriotti, Ferruccio; Jones, Graham et al. (2017). Strategies to define performance specifications in laboratory medicine: 3 years on from the Milan Strategic Conference. (ekstern lenke)
• Oosterhuis, Wytze P.; Bayat, Hassan; Armbruster, David et al. (2017). The use of error and uncertainty methods in the medical laboratory. (ekstern lenke)
• Aarsand, Aasne Karine; Røraas, Thomas; Fernandez-Calle, Pilar et al. (2017). The biological variation data critical appraisal checklist: A standard for evaluating studies on biological variation. (ekstern lenke)
• Bakke, Åsne; Cooper, John; Thue, Geir et al. (2017). Type 2 diabetes in general practice in Norway 2005-2015: moderate improvements in risk factor control, but still major gaps in complication screening. (ekstern lenke)
• Teruel, Reyes Serrano; Thue, Geir; Fylkesnes, Svein Ivar et al. (2017). Warfarin monitoring in nursing homes assessed by case histories. Do recommendations and electronic alerts affect judgements?. (ekstern lenke)
• Carobene, Anna; Strollo, Marta; Jonker, Neils et al. (2016). Sample collections from healthy volunteers for biological variation estimates' update: A new project undertaken by the Working Group on Biological Variation established by the European Federation of Clinical Chemistry and Laboratory Medicine. (ekstern lenke)
• Bukve, Tone; Stavelin, Anne; Sandberg, Sverre (2016). Effect of participating in a quality improvement system over time for point-of-care c-reactive protein, glucose, and hemoglobin testing. (ekstern lenke)
• Skadberg, Øyvind; Sandberg, Sverre; Røraas, Thomas et al. (2016). The variation in high sensitive cardiac troponin concentration during haemodialysis treatment is not similar to the biological variation observed in stable end stage renal disease patients. (ekstern lenke)
• Stavelin, Anne; Riksheim, Berit Oddny; Christensen, Nina Gade et al. (2016). The importance of reagent lot registration in external quality assurance/proficiency testing schemes. (ekstern lenke)
• Andersen, Janice; Nordin, Karin; Sandberg, Sverre (2016). Illness perception and psychological distress in persons with porphyria cutanea tarda. (ekstern lenke)
• Kristoffersen, Ann-Helen; Ajzner, Éva; Rogic, Dunja et al. (2016). Is D-dimer used according to clinical algorithms in the diagnostic work-up of patients with suspicion of venous thromboembolism? A study in six European countries. (ekstern lenke)
• Røraas, Thomas; Støve, Bård; Petersen, Per Hyltoft et al. (2016). Biological variation: The effect of different distributions on estimated within-person variation and reference change values. (ekstern lenke)
• Løvaas, Karianne Fjeld; Cooper, John; Sandberg, Sverre et al. (2015). Feasibility of using self-reported patient data in a national diabetes register. (ekstern lenke)
• Ajzner, Éva; Rogic, Dunja; Meijer, Piet et al. (2015). An international study of how laboratories handle and evaluate patient samples after detecting an unexpected APTT prolongation. (ekstern lenke)
• Carlsen, Siri; Thue, Geir; Cooper, John et al. (2015). Benchmarking by HbA1c in a national diabetes quality register - does measurement bias matter?. (ekstern lenke)
• Bartlett, William A.; Braga, Federica; Carobene, Anna et al. (2015). A checklist for critical appraisal of studies of biological variation. (ekstern lenke)
• Horvath, Andrea Rita; Bossuyt, Patrick M.M.; Sandberg, Sverre et al. (2015). Setting analytical performance specifications based on outcome studies - Is it possible?. (ekstern lenke)
• Sølvik, Una Ørvim; Løkkebø, Elisabeth Sellevoll; Kristoffersen, Ann-Helen et al. (2015). Egenkontroll av warfarinbehandling. (ekstern lenke)
• Bukve, Tone; Røraas, Thomas; Riksheim, Berit Oddny et al. (2015). Point-of-care urine albumin in general practice offices: Effect of participation in an external quality assurance scheme. (ekstern lenke)
• Andersen, Janice; Gjengedal, Eva; Sandberg, Sverre et al. (2015). A skin disease, a blood disease or something in between? : an exploratory focus group study of patients' experiences with porphyria cutanea tarda.. (ekstern lenke)
• Oosterhuis, Wytze P.; Sandberg, Sverre (2015). Proposal for the modification of the conventional model for establishing performance specifications. (ekstern lenke)
• Thue, Geir; Sandberg, Sverre (2015). Analytical performance specifications based on how clinicians use laboratory tests. Experiences from a post-analytical external quality assessment programme. (ekstern lenke)
• Aakre, Kristin; Røraas, Thomas Helge; Petersen, Per Hyltoft et al. (2014). Weekly and 90-minute biological variations in cardiac troponin T and cardiac troponin I in hemodialysis patients and healthy controls. (ekstern lenke)
• Sølvik, Una Ørvim; Røraas, Thomas; Petersen, Per Hyltoft et al. (2014). The influence of coagulation factors on the in-treatment biological variation of international normalized ratio for patients on warfarin. (ekstern lenke)
• Mykletun, Mira; Aarsand, Aasne Karine; Støle, Egil et al. (2014). Porfyrisykdommer i Norge. (ekstern lenke)
• Andreassen, Lillan Mo; Sandberg, Sverre; Kristensen, Gunn Berit Berge et al. (2014). Nursing home patients with diabetes: Prevalence, drug treatment and glycemic control. (ekstern lenke)
• Horvath, Andrea R.; Lord, Sarah J.; St John, Andrew et al. (2014). From biomarkers to medical tests: The changing landscape of test evaluation. (ekstern lenke)
• Robinson, Mary K.; Caudill, Samuel P.; Koch, David D. et al. (2014). Albumin adsorption onto surfaces of urine collection and analysis containers. (ekstern lenke)
• Aarsand, Aasne Karine; Sandberg, Sverre (2014). How to achieve harmonisation of laboratory testing -The complete picture. (ekstern lenke)
• Horvath, Andrea R.; Lord, S. J.; St John, Andrew et al. (2014). From biomarkers to medical tests: The changing landscape of test evaluation. (ekstern lenke)
• Lippi, Giuseppe; Becan-McBride, Kathleen; Behúlová, Darina et al. (2013). Preanalytical quality improvement: in quality we trust. (ekstern lenke)
• Bustad, Helene J.; Vorland, Marta; Rønneseth, Eva et al. (2013). Conformational stability and activity analysis of two hydroxymethylbilane synthase mutants, K132N and V215E, with different phenotypic association with acute intermittent porphyria. (ekstern lenke)
• Sølvik, Una Ørvim; Røraas, Thomas Helge; Christensen, Nina Gade et al. (2013). Diagnosing Diabetes Mellitus: Performance of Hemoglobin A(1c) Point-of-Care Instruments in General Practice Offices. (ekstern lenke)
• Carobene, Anna; Braga, Federica; Røraas, Thomas Helge et al. (2013). A systematic review of data on biological variation for alanine aminotransferase, aspartate aminotransferase and gamma-glutamyl transferase. (ekstern lenke)
• Elder, George H.; Harper, Pauline; Badminton, Michael et al. (2013). The incidence of inherited porphyrias in Europe. (ekstern lenke)
• Cooper, John; Thue, Geir; Claudi, Tor et al. (2013). The Norwegian Diabetes Register for Adults –an overview of the first years. (ekstern lenke)
• Cooper, John; Claudi, Tor; Thordarson, Hrafnkell B et al. (2013). Behandlingen av type 1-diabetes i spesialisthelsetjenesten – data fra Norsk diabetesregister for voksne. (ekstern lenke)
• Watine, J; Mokaddem, W; Carriere, P et al. (2013). Heterogeneity in the handling of vitamin-K-antagonists and of INR: the example of Quercy-Rouergue. (ekstern lenke)
• Stavelin, Anne; Petersen, Per Hyltoft; Sølvik, Una Ørvim et al. (2013). External quality assessment of point-of-care methods: model for combined assessment of method bias and single-participant performance by the use of native patient samples and noncommutable control materials. (ekstern lenke)
• Aakre, Kristin; Oosterhuis, Wytze P.; Sandberg, Sverre (2012). How do laboratory specialists advise clinicians concerning the use and interpretation of renal tests?. (ekstern lenke)
• Stavelin, Anne; Meijer, Piet; Kitchen, Dianne et al. (2012). External quality assessment of point-of-care International Normalized Ratio (INR) testing in Europe. (ekstern lenke)
• Røraas, Thomas Helge; Petersen, Per Hyltoft; Sandberg, Sverre (2012). Confidence intervals and power calculations for within-person biological variation: effect of analytical imprecision, number of replicates, number of samples, and number of individuals. (ekstern lenke)
• Giuseppe, Lippi; Becan-McBride, Kathleen; Behúlová,, Darina et al. (2012). Preanalytical quality improvement: in quality we trust. (ekstern lenke)
• Tollånes, Mette Christophersen; Aarsand, Aasne Karine; Villanger, Jørild Haugen et al. (2012). Establishing a network of specialist Porphyria centres - effects on diagnostic activities and services. (ekstern lenke)
• Kristoffersen, Ann-Helen; Petersen, Per Hyltoft; Sandberg, Sverre (2012). A model for calculating the within-subject biological variation and likelihood ratios for analytes with a time-dependent change in concentrations; exemplified with the use of D-dimer in suspected venous thromboembolism in healthy pregnant women. (ekstern lenke)
• Monsen, Anne Lise Bjørke; Torsvik, Ingrid Kristin; Ueland, Per Magne et al. (2012). Increased yet iron-restricted erythropoiesis in postpartum mothers. (ekstern lenke)
• Sølvik, Una Ørvim; Røraas, Thomas Helge; Petersen, Per Hyltoft et al. (2012). Effect of coagulation factors on discrepancies in International Normalized Ratio results between instruments. (ekstern lenke)
• Kristoffersen, Ann-Helen; Thue, Geir; Ajzner, Eva et al. (2012). Interpretation and management of INR results: A case history based survey in 13 countries. (ekstern lenke)
• Kjome, Reidun Lisbet Skeide; Røraas, Thomas Helge; Granås, Anne Gerd et al. (2012). Regional differences in sales of glucometer strips and antidiabetics. (ekstern lenke)
• Tollånes, Mette Christophersen; Aarsand, Aasne Karine; Sandberg, Sverre (2011). Excess risk of adverse pregnancy outcomes in women with porphyria: a population-based cohort study. (ekstern lenke)
• Aarsand, Aasne Karine; Villanger, Jørild Haugen; Støle, Egil et al. (2011). European specialist porphyria laboratories: diagnostic strategies, analytical quality, clinical interpretation, and reporting as assessed by an external quality assurance program. (ekstern lenke)
• Berg, Jens Petter; Hanssen, Kristian Folkvord; Bjerve, Kristian S et al. (2011). Standardisert hemoglobin A1C til diagnostisk bruk?. (ekstern lenke)
• Carlsen, Siri; Petersen, Per Hyltoft; Skeie, Svein et al. (2011). Within-subject biological variation of glucose and HbA(1c) in healthy persons and in type 1 diabetes patients. (ekstern lenke)
• Thue, Geir; Jevnaker, Marianne; Gulstad, Guro- Marte et al. (2011). Quality assurance of laboratory work and clinical use of laboratory tests in general practice in Norway: A survey. (ekstern lenke)
• Petersen, Per Hyltoft; Sandberg, Sverre; Fraser, Callum G. (2011). Do new concepts for deriving permissible limits for analytical imprecision and bias have any advantages over existing consensus?. (ekstern lenke)
• Aakre, Kristin; Thue, Geir; Svarstad, Einar et al. (2011). Laboratory investigation and follow-up of chronic kidney disease stage 3 in primary care. (ekstern lenke)
• Lippi, Giuseppe; Chance, Jeffrey J.; Church, Stephen et al. (2011). Preanalytical quality improvement: from dream to reality. (ekstern lenke)
• Nerhus, Kari; Rustad, Pål; Sandberg, Sverre (2011). Effect of ambient temperature on analytical performance of self-monitoring blood glucose systems. (ekstern lenke)
• Blinkenberg, Ellen Økland; Sandberg, Sverre; Steen, Vidar Martin et al. (2010). Usefulness of factor V Leiden mutation testing in clinical practice. (ekstern lenke)
• Kjome, Reidun Lisbet Skeide; Granås, Anne Gerd; Nerhus, Kari et al. (2010). The Prevalence of Self-Monitoring of Blood Glucose and Costs of Glucometer Strips in a Nationwide Cohort. (ekstern lenke)
• Sølvik, Una Ørvim; Petersen, Per Hyltoft; Monsen, Grete et al. (2010). Discrepancies in International Normalized Ratio Results between Instruments: A Model to Split the Variation into Subcomponents. (ekstern lenke)
• Kjome, Reidun Lisbet Skeide; Granås, Anne Gerd; Nerhus, Kari et al. (2010). Quality assessment of patients’ self-monitoring of blood glucose in community pharmacies. (ekstern lenke)
• Kjome, Reidun Lisbet Skeide; Nerhus, Kari; Sandberg, Sverre (2010). Implementation of a method for glucose measurements in community pharmacies. (ekstern lenke)
• Aarsand, Aasne Karine; Sandberg, Sverre (2010). Porfyri: Symptomer - diagnostisering - behandling. (ekstern lenke)
• Aakre, Kristin Moberg; Thue, Geir; Subramaniam-Håvik, Sumathi et al. (2010). Diagnosing microalbuminuria and consequences for the drug treatment of patients with type 2 diabetes: A European survey in primary care. (ekstern lenke)
• Cooper, John; Claudi, Tor; Jenum, Anne Karen et al. (2009). Quality of Care for Patients With Type 2 Diabetes in Primary Care in Norway Is Improving Results of cross-sectional surveys of 33 general practices in 1995 and 2005. (ekstern lenke)
• Stavelin, Anne; Petersen, Per Hyltoft; Sølvik, Una Øvrim et al. (2009). Internal quality control of prothrombin time in primary care: comparing the use of patient split samples with lyophilised control materials. (ekstern lenke)
• Aarsand, Aasne K.; Boman, Helge; Sandberg, Sverre (2009). Familial and sporadic porphyria cutanea tarda: characterization and diagnostic strategies. (ekstern lenke)
• Petersen, Per Hyltoft; Christensen, Nina Gade; Sandberg, Sverre et al. (2009). How to deal with semi-quantitative tests? Application of an ordinal scale model to measurements of urine glucose. (ekstern lenke)
• Aarsand, Aasne Karine; Boman, Helge; Sandberg, Sverre (2009). Familial and sporadic porphyria cutanea tarda: Characterization and diagnostic strategies. (ekstern lenke)
• Aakre, Kristin M.; Thue, Geir; Subramaniam-Håvik, Sumathi et al. (2008). Postanalytical external quality assessment of urine albumin in primary health care: An international survey. (ekstern lenke)
• Gjelsvik, Roar; Kaarbøe, Oddvar Martin; Haukland, Hanne Husom et al. (2008). Riktigere bruk av laboratorietjenester – økonomiske aspekter. (ekstern lenke)
• Monsen, Anne Lise Bjørke; Gjelsvik, Roar; Kaarbøe, Oddvar Martin et al. (2008). Riktigere bruk av laboratorietjenester – medisinske aspekter. (ekstern lenke)
• Kristensen, Gunn Berit Berge; Monsen, Grete; Skeie, Svein et al. (2008). Standardized Evaluation of Nine Instruments for Self-Monitoring of Blood Glucose. (ekstern lenke)
• Kjome, Reidun Lisbet Skeide; Sandberg, Sverre; Granås, Anne Gerd (2008). Diabetes care in Norwegian pharmacies: a descriptive study. (ekstern lenke)
• Petersen, Per Hyltoft; Christensen, Nina Gade; Sandberg, Sverre et al. (2008). How to deal with dichotomous tests? Application of a rankit ordinal scale model with examples from the Nordic ordinal scale project on screening tests. (ekstern lenke)
• Petersen, Per Hyltoft; Sandberg, Sverre; Iglesias, Natàlia et al. (2008). 'Likelihood-ratio' and 'odds' applied to monitoring of patients as a supplement to 'reference change value' (RCV). (ekstern lenke)
• Petersen, Per Hyltoft; Sandberg, Sverre; Iglesias, N et al. (2008). Opinion Paper: 'Likelihood-ratio' and 'odds' applied to monitoring of patients as a supplement to 'reference change value' (RCV).. (ekstern lenke)
• Kristensen, Gunn Berit Berge; Nerhus, Kari; Thue, Geir et al. (2006). Results and feasibility of an external quality assessment scheme for self-monitoring of blood glucose. (ekstern lenke)
• Kristoffersen, Ann-Helen ; Thue, Geir; Sandberg, Sverre (2006). Postanalytical external quality assessment of warfarin monitoring in primary healthcare. (ekstern lenke)
• Aarsand, Aasne K.; Petersen, Per Hyltoft; Sandberg, Sverre (2006). Estimation and application of biological variation of urinary delta-aminolevulinic acid and porphobilinogen in healthy individuals and in patients with acute intermittent porphyria. (ekstern lenke)
• Sølvik, Una Øvrim; Stavelin, Anne; Christensen, Nina Gade et al. (2006). External quality assessment of prothrombin time: The split-sample model compared with external quality assessment with commercial control material. (ekstern lenke)
• Bjelkarøy, Wenche Iren; Sandberg, Sverre; Thue, Geir et al. (2006). Quality assessment of urine dip-slides in primary care. (ekstern lenke)
• van Berkel, Ellen; Boley, Nick; Ellison, Steve et al. (2006). Proficiency testing in analytical chemistry, microbiology and laboratory medicine - working group discussions on current status, problems and future directions. (ekstern lenke)
• Kristoffersen, Ann-Helen; Thue, Geir; Sandberg, Sverre (2006). Postanalytical external quality assessment of warfarin monitoring in primary healthcare. (ekstern lenke)
• Aarsand, Aasne Karine; Petersen, Per Hyltoft; Sandberg, Sverre (2006). Estimation and Application of Biological Variation of Urinary δ-Aminolevulinic Acid and Porphobilinogen in Healthy Individuals and in Patients with Acute Intermittent Porphyria.. (ekstern lenke)
• Skeie, Svein; Perich, C; Ricos, C et al. (2005). Postanalytical external quality assessment of blood glucose and hemoglobin A(1c): An international survey. (ekstern lenke)
• Kristensen, Gunn B.B.; Christensen, Nina Gade; Thue, Geir et al. (2005). Between-lot variation in external quality assessment of glucose: Clinical importance and effect on participant performance evaluation. (ekstern lenke)
• Aarsand, Aasne Karine; Sandberg, Sverre (2005). Porphyrias, a challenge for diagnostic assessment and treatment.. (ekstern lenke)
• Hyltoft Petersen, Per; Sandberg, Sverre; Gade Christensen, Nina et al. (2004). Basic model and preliminary results on a Nordfond project on measurements reported on an ordinal scale. (ekstern lenke)
• Norderhaug, IN; Wisloff, T; Fossa, S et al. (2004). Prostrate-specific antigen and prostate cancer: General practitioners' and urologists' use of evidence-based information. (ekstern lenke)
• Nordin, G; Martensson, A; Swolin, B et al. (2004). A multicentre study of reference intervals for haemoglobin, basic blood cell counts and erythrocyte indices in the adult population of the Nordic countries. (ekstern lenke)
• Bolann, Bjørn Johan; Thue, Geir; Sandberg, Sverre (2004). Urine analysis and decision-making on cystitis in general practice. (ekstern lenke)
• Oosterhuis, WP; Bruns, DE; Watine, J et al. (2004). Evidence-based guidelines in laboratory medicine: Principles and methods. (ekstern lenke)
• Tjensvoll, Kjersti; Bruland, Ove; Floderus, Ylva et al. (2003). Haplotype analysis of Norwegian and Swedish patients with acute intermittent porphyria (AIP): Extreme haplotype heterogeneity for the mutation R116W. (ekstern lenke)
• Bolann, BJ; Sandberg, Sverre (2003). Evaluation of new laboratory tests. (ekstern lenke)
• Norderhaug, I.N.; Fosså, Sophie D.; Forland, F. et al. (2003). Health technology assessment and implications for clinical practice: The case of prostate cancer screening. (ekstern lenke)
• Petersen, Per Hyltoft; Jørgensen, L; Jensen, E et al. (2003). Er GUM skadelig - eller blot overflødig?. (ekstern lenke)
• Skadberg, Øyvind; Brun, Atle; Sandberg, Sverre (2003). Human reticulocytes isolated from peripheral blood: maturation time and hemoglobin synthesis. (ekstern lenke)
• Bolann, Bjørn Johan; Sandberg, Sverre (2003). Evaluering av nye laboratorieanalyser. (ekstern lenke)
• Skeie, Svein; Thue, Geir; Nerhus, Kari et al. (2002). Instruments for self-monitoring of blood-glucose: comparison of testing quality achieved by patients and a technician. (ekstern lenke)
• Skurtveit, KJ; Bjelkarøy, Wenche Iren; Christensen, Nina Gade et al. (2001). Quality of rapid tests for determination of infectious mononucleosis. (ekstern lenke)
• Sandberg, Sverre (2001). Analyse av protrombintid i primærhelsetjenesten. (ekstern lenke)
• Sandberg, Sverre; Brun, A; Skadberg, O et al. (2001). Akutt intermitterende porfyri er en vanskelig diagnose - spesielt hos barn. (ekstern lenke)
• Petersen, Per Hyltoft; Stockl, D; Westgard, JO et al. (2001). Models for combining random and systematic errors, assumptions and consequences for different models. (ekstern lenke)
• Thue, Geir; Klovning, Atle; Sandberg, Sverre (2001). External quality assessment of general practice laboratories: organizational issues and interpretation of feedback reports. (ekstern lenke)
• Petersen, Per Hyltoft; Sandberg, Sverre; Fraser, CG et al. (2001). Influence of index of individuality on false positives in repeated sampling from healthy individuals. (ekstern lenke)
• Skeie, Svein; Thue, Geir; Sandberg, Sverre (2001). Patient-derived quality specifications for instruments used in self-monitoring of blood glucose. (ekstern lenke)
• Skeie, Svein; Thue, Geir; Sandberg, Sverre (2001). Interpretation of hemaglobin A(1c)(HbA(1c)) values among diabetic patients: implications for quality specifications for HbA(1c). (ekstern lenke)
• Flottorp, Signe; Oxman, AD; Cooper, JG et al. (2000). Retningslinjer for diagnostikk og behandling av akutte vannlatingsplager hos kvinner. (ekstern lenke)
• Skeie, Svein; Thue, Geir; Sandberg, Sverre (2000). Use and interpretation og HbA1c-testing in general practice. Implications for quality of care. (ekstern lenke)
• Oxman, AD; Flottorp, Signe; Cooper, JG et al. (2000). Nivået på dokumentasjonen og styrken på anbefalingene i kliniske retningslinjer. (ekstern lenke)
• Sandberg, Sverre (2000). Kan laboratoriesvaret få konsekvenser for pasienten?. (ekstern lenke)
• Eggebo, TM; Smedvig, E; Zanussi, GF et al. (2000). Foster med hydrops hos kvinne fra Vietnam. (ekstern lenke)
• Flottorp, Signe; Oxman, AD; Cooper, JG et al. (2000). Retningslinjer for diagnostikk og behandling av sår hals. (ekstern lenke)
• Petersen, Per Hyltoft; Sandberg, Sverre; Fraser, CG et al. (2000). A model for setting analytical quality specifications and design of control for measurements on the ordinal scale. (ekstern lenke)
• Flottorp, Signe; Oxman, AD; Cooper, JG et al. (2000). Retningslinjer for diagnostikk og behandling av sår hals. (ekstern lenke)
• Aune, M; Sandberg, Sverre (2000). Automated counting of white and red blood cells in the cerebrospinal fluid. (ekstern lenke)
• Brock, A; Sandberg, Sverre (2000). Porphyrins and Porphyrias. Review and special articles from the Nordic countries. (Spesialnummer). (ekstern lenke)
• Sandberg, Sverre (2000). Nodelling an estimation of measurement error. (ekstern lenke)
• Sandberg, Sverre (2000). Kan laboratoriesvaret få konsekvenser for pasienten?. (ekstern lenke)
• Flottorp, Signe; Oxman, AD; Cooper, JG et al. (2000). Retningslinjer for diagnostikk og behandling av akutte vannlatingsplager hos kvinner. (ekstern lenke)
• Aune, M; Sandberg, Sverre (2000). Automated counting of white and red blood cells in the cerebrospinal fluid. (ekstern lenke)
• Eggebo, TM; Smedvig, Eli; Zanussi, GF et al. (2000). Foster med hydrops hos kvinne fra Vietnam. (ekstern lenke)
• Brock, A; Sandberg, Sverre (2000). Porphyrins and Porphyrias. Review and special articles from the Nordic countries. (Spesialnummer). (ekstern lenke)
• Flottorp, Signe; Oxman, AD; Cooper, JG et al. (2000). Retningslinjer for diagnostikk og behandling av sår hals. (ekstern lenke)
• Skeie, S; Thue, Geir; Sandberg, Sverre (2000). Use and interpretation og HbA1c-testing in general practice. Implications for quality of care. (ekstern lenke)
• Oxman, AD; Flottorp, Signe; Cooper, JG et al. (2000). Nivået på dokumentasjonen og styrken på anbefalingene i kliniske retningslinjer. (ekstern lenke)
• Petersen, Per Hyltoft; Sandberg, Sverre; Fraser, CG et al. (2000). A model for setting analytical quality specifications and design of control for measurements on the ordinal scale. (ekstern lenke)
• Flottorp, Signe; Oxman, AD; Cooper, JG et al. (2000). Retningslinjer for diagnostikk og behandling av sår hals. (ekstern lenke)
• Foss Abrahamsen, Jenny; Sothern, Robert; Sandberg, Sverre et al. (1999). Circadian Variations in Human Peripheral Blood on Days With and Without Bone Marrow Sampling and Relation to Bone Marrow Cell Proliferation. (ekstern lenke)
• Sandberg, Sverre (1999). External quality assurance of test requesting and test interpretations in general practice. A method for developing quality goals from clinicians' opinion and to implement guidelines. (ekstern lenke)
• Sandberg, Sverre; Hellsing, K; Jørgensen, Per Magnus et al. (1999). Skandinavisk utprøving av laboratorieutstyr for primærhelsetjenesten. Etablering av SKUP og igangsetting av de første evalueringene. (ekstern lenke)
• Abrahamsen, Jenny Foss; Sothern, RB; Sandberg, Sverre et al. (1999). Circadian variation in human peripheral blood on days with and without bone marrow sampling and relation to bone marrow proliferation. (ekstern lenke)
• Sandberg, Sverre (1999). Oppslagsbok i laboratoriemedisin. (ekstern lenke)
• Holleland, G; Schneede, Jørn; Ueland, Per Magne et al. (1999). Cobalamin deficiency in general practice. Assessment of the diagnostic utility and cost-benefit analysis of methylmalonic acid determination in relation to current diagnostic strategies. (ekstern lenke)
• Abrahamsen, Jenny Foss; Sothern, R.B; Sandberg, Sverre et al. (1999). Circadian variations in human peripheral blood on days with and witout bone marrow sampling and relation to bone marroe cell proliferation. (ekstern lenke)
• Holleland, G; Schneede, Jørn; Ueland, Per Magne et al. (1999). Cobalamin deficiency in general practice. Assessment of the diagnostic utility and cost-benefit analysis of methylmalonic acid determination in relation to current diagnostic strategies. (ekstern lenke)
• Sandberg, Sverre (1999). Measurement error and laboratory medicine. (ekstern lenke)
• Sandberg, Sverre; Thue, Geir (1999). External quality assurance of test requesting and test interpretation. (ekstern lenke)
• Petersen, Per Hyltoft; Fraser, CG; Sandberg, Sverre et al. (1999). The index of individuality is often a misinterpreted quantity characteristic. (ekstern lenke)
• Sandberg, Sverre; Thue, Geir (1999). Quality specifications based upon objective analyses based upon clinical needs. (ekstern lenke)
• Hølleland, G; Sandberg, Sverre (1999). Bruk og tolking av serum-kalsiumanalyse. (ekstern lenke)
• Gidske, Gro; Christensen, Nina Gade; Jevnaker, Marianne et al. (1998). Resultater fra NOKLUS' utsendelser 1993-97. (ekstern lenke)
• Stakkestad, J.A; Sandberg, Sverre; Bjerve, K.S. et al. (1997). Use and usefulnes of laboratory handbooks. (ekstern lenke)
• Sandberg, Sverre (1997). Systematic review of diagnostic tests. (ekstern lenke)
• Sandberg, Sverre; Oosterhuis, W.; Freedman, D. et al. (1997). Systematic reviewing in laboratory medicine. (ekstern lenke)
• Rynning, M; Sandberg, Sverre; Økland, M (1997). Etablering av referanseverdier. (ekstern lenke)
• Sandberg, Sverre (1997). Systematic reviews of diagnostic tests - a new challenge for laboratory medicine. (ekstern lenke)
• Sandberg, Sverre; Hellsing, K; Jørgensen, PJ et al. (1997). SKUP - Skandinavisk samarbeid om utprøving av laboratorieutstyr for primærhelsetjenesten. (ekstern lenke)
• Sandberg, Sverre; Hellsing, K; Jørgensen, PJ et al. (1997). SKUP - Skandinavisk samarbeid om utprøving av laboratorieutstyr for primærhelsetjenesten. (ekstern lenke)
• Sandberg, Sverre (1997). Systematic reviews of diagnostic tests - a new challenge for laboratory medicine. (ekstern lenke)
• Sandberg, Sverre (1997). Systematic review of diagnostic tests. (ekstern lenke)
• Rynning, M; Sandberg, Sverre; Økland, M (1997). Etablering av referanseverdier. (ekstern lenke)
• Stakkestad, JA; Sandberg, Sverre; Bjerve, KS et al. (1997). Use and usefulnes of laboratory handbooks. (ekstern lenke)
• Stakkestad, JA; Sandberg, Sverre; Bjerve, Kristian S et al. (1997). Use and usefullness of laboratory handbooks. (ekstern lenke)
• Brun, Atle; Steen, H.; Sandberg, Sverre (1996). Erythropoietic, protoporphyria: two populations of reticulocytes, with and without protoporphyrin. (ekstern lenke)
• Sandberg, Sverre; Christensen, Nina Gade; Jevnaker, Marianne et al. (1996). Analysekvalitet av hemoglobin og glukose i allmennpraksis. (ekstern lenke)
• Småland, Rune; Sother, R.; Lote, K. et al. (1995). Circadian phase relationship between peripheral blood variables and bone marrow proliferative activity in clinical health. (ekstern lenke)
• Småland, Rune; Sothern, RB; Lote, K et al. (1995). Circadian phase relationships between peripheral blood variables and bone marrow proliferative activity in clinical health. (ekstern lenke)
• Småland, Rune; Sothern, RB; Lote, K et al. (1995). Circadian phase relationships between peripheral blood variables and bone marrow proliferative activity in clinical health. (ekstern lenke)

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• Carobene, Anna; Aarsand, Aasne Karine; Coşkun, Abdurrahman et al. (2022). Biological variation of serum iron from the European biological variation study (EuBIVAS). (ekstern lenke)
• Coskun, Abdurrahman; Sandberg, Sverre; Unsal, Ibrahim et al. (2022). Personalized reference intervals: Using estimates of within-subject or within-person biological variation requires different statistical approaches. (ekstern lenke)
• Carobene, Anna; Lao, Elisabet Gonzalez; Simón, Margarita et al. (2021). Biological variation of serum insulin: Updated estimates from the European Biological Variation Study (EuBIVAS) and meta-analysis. (ekstern lenke)
• Coşkun, Abdurrahman; Aarsand, Aasne Karine; Braga, Federica et al. (2021). Systematic review and meta-analysis of within-subject and between-subject biological variation estimates of serum Zinc, Copper and Selenium. (ekstern lenke)
• Carobene, Anna; Guerra, Elena; Marqués-García, Fernando et al. (2020). Biological variation of morning serum cortisol: Updated estimates from the European biological variation study (EuBIVAS) and meta-analysis. (ekstern lenke)
• Carobene, Anna; Guerra, Elena; Locatelli, Massimo et al. (2018). Providing Correct Estimates of Biological Variation—Not an Easy Task. The Example of S100-β Protein and Neuron-Specific Enolase. (ekstern lenke)
• Gidske, Gro; Sølvik, Una Ørvim; Sandberg, Sverre et al. (2018). Hemolysis interference studies: Freeze method should be used in the preparation of hemolyzed samples. (ekstern lenke)
• Kristoffersen, Ann-Helen; Ajzner, Eva; Bauça, Josep Miquel et al. (2017). Pre- and post-test probabilities of venous thromboembolism and diagnostic accuracy of D-dimer, estimated by European clinicians working in emergency departments. (ekstern lenke)
• Sølvik, Una Ørvim; Risa, Marianne; Jacobsen, Camilla Eide et al. (2015). Performance of 10 systems for self-monitoring of blood glucose by trained healthcare professionals and in the hands of the users. (ekstern lenke)
• Lenters-Westra, Erna; Røraas, Thomas; Schindhelm, Roger K. et al. (2014). Biological Variation of Hemoglobin A1c: Consequences for Diagnosing Diabetes Mellitus. (ekstern lenke)
• Van Houcke, Sofie K; Rustad, Pål; Stepman, Hedwig et al. (2012). Calcium, Magnesium, Albumin, and Total Protein Measurement in Serum as Assessed with 20 Fresh-Frozen Single-Donation Sera. (ekstern lenke)

Leder

• Sandberg, Sverre; Zima, Tomas; Panteghini, Mauro (2024). Analytical performance specifications - moving from models to practical recommendations. (ekstern lenke)
• Sandberg, Sverre; Carobene, Anna; Aarsand, Aasne Karine (2022). Biological variation - eight years after the 1st Strategic Conference of EFLM. (ekstern lenke)
• Panteghini, Mauro; Sandberg, Sverre (2016). Total error vs. measurement uncertainty: The match continues. (ekstern lenke)
• Panteghini, Mauro; Sandberg, Sverre (2015). Defining analytical performance specifications 15 years after the Stockholm conference. (ekstern lenke)
• Sandberg, Sverre; Fraser, Callum G.; Horvath, Andrea Rita et al. (2015). Defining analytical performance specifications: Consensus Statement from the 1st Strategic Conference of the European Federation of Clinical Chemistry and Laboratory Medicine. (ekstern lenke)
• Aarsand, Aasne Karine; Røraas, Thomas; Sandberg, Sverre (2015). Biological variation-reliable data is essential. (ekstern lenke)
• Aakre, Kristin Moberg; Sandberg, Sverre (2010). Can changes in troponin results be useful in diagnosing myocardial infarction?. (ekstern lenke)
• Sandberg, Sverre (2001). Nasjonalt Kompetansesenter for porfyrisykdommer. (ekstern lenke)
• Sandberg, Sverre; Brock, A (2000). Porphyrins and Porphyrias. (ekstern lenke)

Errata

• Itkonen, Outi; Jonker, Niels; Aarsand, Aasne Karine et al. (2024). Corrigendum to “The European biological variation study (EuBIVAS): Biological variation data for testosterone, follicle stimulating hormone, prolactin, luteinizing hormone and dehydroepiandrosterone sulfate in men” [Clin. Chim. Acta 555 (2024) 117806] (Clinica Chimica Acta (2024) 555, (S0009898124000470), (10.1016/j.cca.2024.117806)). (ekstern lenke)
• Baravelli, Carl Michael; Aarsand, Aasne Karine; Sandberg, Sverre et al. (2022). Correction: Porphyria cutanea tarda and patterns of long-term sick leave and disability pension: a 24-year nationwide matched-cohort study (Orphanet Journal of Rare Diseases, (2022), 17, 1, (72), 10.1186/s13023-022-02201-3). (ekstern lenke)

Vitenskapelig oversiktsartikkel/review

• Aarsand, Aasne Karine; To-Figueras, Jordi; Whatley, Sharon et al. (2024). Practical recommendations for biochemical and genetic diagnosis of the porphyrias. (ekstern lenke)
• Horvath, Andrea Rita; Bell, Katy J.L.; Ceriotti, Ferruccio et al. (2024). Outcome-based analytical performance specifications: current status and future challenges. (ekstern lenke)
• Badminton, Michael N.; Anderson, Karl E.; Deybach, Jean-Charles et al. (2024). From chemistry to genomics: A concise history of the porphyrias. (ekstern lenke)
• Stavelin, Anne; Sandberg, Sverre (2023). Analytical performance specifications and quality assurance of point-of-care testing in primary healthcare. (ekstern lenke)
• Coskun, Abdurrahman; Sandberg, Sverre; Unsal, Ibrahim et al. (2022). Personalized reference intervals: from theory to practice. (ekstern lenke)
• Marques-Garcia, Fernando; Boned, Beatriz; González-Lao, Elisabet et al. (2022). Critical review and meta-analysis of biological variation estimates for tumor markers. (ekstern lenke)
• Sandberg, Sverre; Carobene, Anna; Bartlett, Bill et al. (2022). Biological variation: recent development and future challenges. (ekstern lenke)
• Carobene, Anna; Aarsand, Aasne Karine; Bartlett, William A. et al. (2021). The European Biological Variation Study (EuBIVAS): A summary report. (ekstern lenke)
• Loh, Tze Ping; Smith, Alison F.; Bell, Katy J.L. et al. (2021). Setting analytical performance specifications using HbA1c as a model measurand. (ekstern lenke)
• Díaz-Garzón, Jorge; Fernandez-Calle, Pilar; Sandberg, Sverre et al. (2021). Biological variation of cardiac troponins in health and disease: A systematic review and meta-analysis. (ekstern lenke)
• Bustad, Helene J.; Kallio, Juha Pekka; Vorland, Marta et al. (2021). Acute intermittent porphyria: An overview of therapy developments and future perspectives focusing on stabilisation of HMBS and proteostasis regulators. (ekstern lenke)
• Ricós, Carmen; Fernández-Calle, Pilar; Gonzalez-Lao, Elisabet et al. (2020). Evaluación crítica y meta-Análisis de estudios de variación biológica para albúmina glicosilada, glucosa y HbA<inf>1c</inf>. (ekstern lenke)
• Jonker, Niels; Aslan, Berna; Boned, Beatriz et al. (2020). Critical appraisal and meta-analysis of biological variation estimates for kidney related analytes. (ekstern lenke)
• González-Lao, Elisabet; Corte, Zoraida; Simón, Margarita et al. (2019). Systematic review of the biological variation data for diabetes related analytes. (ekstern lenke)
• Díaz-Garzón, Jorge; Fernández-Calle, Pilar; Minchinela, Joana et al. (2019). Biological variation data for lipid cardiovascular risk assessment biomarkers. A systematic review applying the biological variation data critical appraisal checklist (BIVAC). (ekstern lenke)
• Coskun, Abdurrahman; Braga, Federica; Carobene, Anna et al. (2019). Systematic review and meta-analysis of within-subject and between-subject biological variation estimates of 20 haematological parameters. (ekstern lenke)
• Stavelin, Anne; Sandberg, Sverre (2017). Essential aspects of external quality assurance for point-of-care testing. (ekstern lenke)
• Ceriotti, Ferruccio; Fernandez-Calle, Pilar; Klee, George G. et al. (2017). Criteria for assigning laboratory measurands to models for analytical performance specifications defined in the 1st EFLM Strategic Conference. (ekstern lenke)
• Kristensen, Gunn Berit Berge; Aakre, Kristin; Kristoffersen, Ann-Helen et al. (2014). How to conduct External Quality Assessment Schemes for the pre-analytical phase?. (ekstern lenke)
• Tirimacco, Rosy; Koumantakis, George; Erasmus, Rajiv et al. (2013). Glucose meters - fit for clinical purpose. (ekstern lenke)
• Aakre, Kristin; Watine, Joseph; Bunting, Peter S. et al. (2012). Self-monitoring of blood glucose in patients with diabetes who do not use insulinuare guidelines evidence-based?. (ekstern lenke)
• Kristensen, Gunn Berit Berge; Sandberg, Sverre (2010). Self-monitoring of blood glucose with a focus on analytical quality: an overview. (ekstern lenke)
• Schneider, Nathalie; Aakre, Kristin Moberg; Thue, Geir et al. (2009). Evaluation of prescription and interpretation of microalbuminuria by general practitioners. (ekstern lenke)
• Miller, W Greg; Bruns, David E.; Hortin, Glen L et al. (2009). Current Issues in Measurement and Reporting of Urinary Albumin Excretion. (ekstern lenke)

Kronikk

• Orth, Matthias; Vollebregt, Erik; Trenti, Tomaso et al. (2023). Direct-To-consumer laboratory testing (DTCT): Challenges and implications for specialists in laboratory medicine. (ekstern lenke)
• Sandberg, Sverre; Brock, A (2000). Porphyrins and Porphyrias. (ekstern lenke)
• Sandberg, Sverre (2000). Modelling an estimation of measurement error. Michele Neuilly, Lavoisier Publishing, Paris, 1999. No. of pages: x+694. Price: £119.50. ISBN 1-898298-59-9. (ekstern lenke)

Doktorgradsavhandling

• Andreassen, Lillan Mo; Kjome, Reidun Lisbet Skeide; Sandberg, Sverre et al. (2019). Diabetes in care homes. Special emphasis on medicines and blood glucose measurements. (ekstern lenke)
• Røraas, Thomas; Sandberg, Sverre (2017). Estimating Biological Variation. Methodological and Statistical Aspects. (ekstern lenke)
• Johannessen, Helene Bustad; Sandberg, Sverre (2016). Characterization of Hydroxymethylbilane Synthase and Pharmacological Chaperone Treatment for Acute Intermittent Porphyria. (ekstern lenke)
• Andersen, Janice; Sandberg, Sverre (2016). A patient-oriented perspective on porphyria. Psychosocial and health-related challenges of acute intermittent porphyria and porphyria cutanea tarda. (ekstern lenke)
• Carlsen, Siri; Sandberg, Sverre (2016). The use of HbA1c as a quality indicator in diabetes care - analytical and clinical aspects. (ekstern lenke)
• Sandberg, Sverre (1982). Porphyrin-induced photodamage at the cellular and the sub- cellular level. (ekstern lenke)

Short communication

• Petersen, Per Hyltoft; Lund, Flemming; Fraser, Callum G. et al. (2018). Valid analytical performance specifications for combined analytical bias and imprecision for the use of common reference intervals. (ekstern lenke)
• Cadamuro, Janne; Mrazek, Cornelia; Haschke-Becher, Elisabeth et al. (2017). To report or not to report: A proposal on how to deal with altered test results in hemolytic samples. (ekstern lenke)
• Sandberg, Sverre (2014). Self measurement of glucose – how useful is it and how can it be done. (ekstern lenke)
• Trydal, Torleif; Bolann, Bjørn Johan; Brosstad, Frank et al. (2005). Analyse av protrombintid i primærhelsetjenesten. (ekstern lenke)
• Trydal, Torleif; Bolann, Bjørn; Brosstad, Frank Roger et al. (2005). Analyse av protrombintid i primærhelsetjenesten. (ekstern lenke)

Leserinnlegg

• Schwettmann, Lutz; Berg, Jens Petter; Sandberg, Sverre (2018). HbA1c skal angis i mmol/mol. (ekstern lenke)
• Panteghini, Mauro; Adeli, Khosrow; Ceriotti, Ferruccio et al. (2017). American liver guidelines and cutoffs for "normal" ALT: A potential for overdiagnosis. (ekstern lenke)
• Aakre, Kristin; Røraas, Thomas Helge; Petersen, Per Hyltoft et al. (2013). Week-to-Week Biological Variation in the N-terminal Prohormone of Brain Natriuretic Peptide in Hemodialysis Patients and Healthy Individuals. (ekstern lenke)
• Webber, Philip Richard; Aarsand, Aasne Karine; Sandvik, Arne Kristian et al. (2010). Acute porphyrias may be overlooked in patients taking methenamine hippurate. (ekstern lenke)
• Sandberg, Sverre; Thesen, Janecke; Roksund, Gisle et al. (2010). Medisinsk utstyr på legekontor bør kvalitetssikres :. (ekstern lenke)
• Gjelsvik, Roar; Kaarbøe, Oddvar Martin; Haukland, Hanne Husom et al. (2008). Hvordan kan bruk av laboratorietjenester styres?. (ekstern lenke)
• Sølvik, Una Øvrim; Stavelin, Anne; Christensen, Nina Gade et al. (2007). Response to Kitchen et al.'s external quality assessment of prothrombin time: The split-sample model compared to external quality assessment with commercial control material. (ekstern lenke)
• Kristensen, Gunn Berit Berge; Nerhus, Kari; Thue, Geir et al. (2004). Standardized evaluation of instruments for self-monitoring of blood glucose by patiens and a technologist. (ekstern lenke)

Poster

• Tran, Anh Thi; Gjelsvik, Bjørn E.; Berg, Tore Julsrud et al. (2018). The influences of ethnicity on the quality of type 2 diabetes care in Norwegian general practice. (ekstern lenke)
• Bakke, Åsne; Cooper, John; Thue, Geir et al. (2017). Type 2 Diabetes in General Practice in Norway 2005-2014: Moderate improvements in risk factor control but still major gaps in complication screening.. (ekstern lenke)
• Risøy, Aslaug Johanne; Kjome, Reidun Lisbet Skeide; Sandberg, Sverre et al. (2016). A feasibility study for risk assessment ofType 2 Diabetes (T2D) in pharmacies. (ekstern lenke)
• Kjome, Reidun Lisbet Skeide; Granås, Anne Gerd; Nerhus, Kari et al. (2007). Control of Self-Monitoring of Blood Glucose in Community Pharmacies. (ekstern lenke)

Vitenskapelig foredrag

• Bakke, Åsne; Cooper, John; Thue, Geir et al. (2017). Type 2 diabetes in General Practice in Norway 2005-2014: Moderate improvements in risk Control but still major gaps in complication screening. (ekstern lenke)
• Kjome, Reidun Lisbet Skeide; Granås, Anne Gerd; Nerhus, Kari et al. (2007). Control of patients' glucometers and SMBG technique in community pharmacies. (ekstern lenke)
• Petersen, Per Hyltoft; Sandberg, Sverre; Christensen, Nina Gade (2006). How to deal with qualitative tests? Principles. (ekstern lenke)
• Bolann, Bjørn Johan; Thue, Geir; Sandberg, Sverre (2004). Hvordan bruker legene urinstrimmelen til diagnostikk av UVI?. (ekstern lenke)

Sammendrag/abstract

• Sandberg, Sverre (2014). POC testing instruments for diagnosing and monitoring diabetes in clinical settings. (ekstern lenke)
• Bustad, Helene J.; Toska, K; Sandberg, Sverre et al. (2013). Searching for pharmacological chaperones aiding to stabilize hydroxymethylbilane synthase. (ekstern lenke)
• Sandberg, Sverre (2011). Optimizing porphyria diagnostics with emphasis on pre-analytical, analytical and postanalytical aspects S. Sandberg on behalf of EPNET. (ekstern lenke)
• Andersen, Janice; Sandberg, Sverre; Råheim, Målfrid et al. (2011). Psychosocial aspects of predictive genetic testing for acute intermittent porphyria in minors. (ekstern lenke)
• Sandberg, Sverre (2011). POST-ANALYTICAL EXTERNAL QUALITY ASSESSMENT - A WAY TO ASSESS TEST REQUESTING AND INTERPRETATION. (ekstern lenke)
• Johannessen, Helene Bustad; Rxnneseth, E; Underhaug, Jarl et al. (2010). CHARACTERIZATION OF THE MOLECULAR BASIS OF ACUTE INTERMITTENT PORPHYRIA. (ekstern lenke)
• Bustad, Helene J.; Rønneseth, Eva; Toska, Karen et al. (2010). Characterization of the molecular basis of acute intermittent porphyria. (ekstern lenke)
• Onody, R; Araczki, A; Skeie, Svein et al. (2005). Can we interpret laboratory results correctly?. (ekstern lenke)
• Kristensen, Gunn B.B.; Christensen, Nina Gade; Thue, Geir et al. (2005). Between lot variation in external quality assessment of glucose: Clinical importance and effect on the evaluation of participants' performance. (ekstern lenke)
• Sølvik, Una Øvrim; Stavelin, Anne; Christensen, Nina Gade et al. (2005). External quality assessments of whole blood prothrombin time: Comparison of two methods. (ekstern lenke)

Faglig kapittel

• Hunskaar, Steinar; Rørtveit, Guri; Straand, Jørund et al. (2013). Allmennmedisinske rammer og arbeidsteknikker (kap 1.2). (ekstern lenke)
• Aarsand, Aasne Karine; Sandberg, Sverre (2011). Utredning av porfyrisykdommer. (ekstern lenke)

Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

• Andersen, Janice; Sandberg, Sverre; Råheim, Målfrid et al. (2011). Psychosocial aspects of predictive genetic testing for acute intermittent porphyria in Norwegian minors. (ekstern lenke)
• Aarsand, Anne Karin; Alter, D; Frost, SJ et al. (2007). Diagnosis and Management of Diabetes Mellitus. (ekstern lenke)
• Klovning, Atle; Sandberg, Sverre (2007). Searching the Literature and Relevant databases. (ekstern lenke)
• Aarsand, Aasne Karine; Alter, D; Frost, SJ et al. (2006). Diagnosis and management of diabetes mellitus. (ekstern lenke)
• Klovning, Atle; Sandberg, Sverre (2003). Searching the Literature and Relevant databases. (ekstern lenke)
• Sandberg, Sverre (2000). De forundelige porfyrier - en utfordring for diagnostikk og behandling. (ekstern lenke)
• Sandberg, Sverre (2000). De forundelige porfyrier - en utfordring for diagnostikk og behandling. (ekstern lenke)

Mastergradsoppgave

• Solsvik, Anne Elisabeth; Sandberg, Sverre; Aune, Marthe W. (2009). Postanalytisk kvalitetssikring i hematologi. Hvordan brukes informasjon fra ulike hematologisystemer?. (ekstern lenke)

Rapport

• Kaarbøe, Oddvar Martin; Gjelsvik, Roar; Sandberg, Sverre et al. (2005). Riktigere bruk av laboratorietjenester. (ekstern lenke)

Fagbok

• Christensen, Nina Gade; Monsen, G; Sandberg, Sverre (1997). Utprøving av analyseinstrumenter. En veiledning spesielt beregnet for utprøving av instrumenter for primærhelsetjenesten. (ekstern lenke)
• Christensen, Nina Gade; Monsen, G; Sandberg, Sverre (1997). Utprøving av analyseinstrumenter. En veiledning spesielt beregnet for utprøving av instrumenter for primærhelsetjenesten. (ekstern lenke)
• Helander, V; Sandberg, Sverre (1997). Festskrift til Krister Stàhlberg 50 år. (ekstern lenke)
• Kendall, R.; Sandberg, Sverre; dOnofrio, G. et al. (1996). Reticulocytes: Methods and clinical applications. (ekstern lenke)

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