Confidence Intervals and Power Calculations for Within-Person Biological Variation: Effect of Analytical Imprecision, Number of Replicates, Number of Samples, and Number of Individuals
RØRAAS, Thomas, PETERSEN, Per H, SANDBERG, Sverre
Published in Clinical chemistry (Baltimore, Md.) (01.09.2012)
Published in Clinical chemistry (Baltimore, Md.) (01.09.2012)
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Journal Article
Estimates of Within-Subject Biological Variation of Protein C, Antithrombin, Protein S Free, Protein S Activity, and Activated Protein C Resistance in Pregnant Women
Kristoffersen, Ann H, Petersen, Per H, Røraas, Thomas, Sandberg, Sverre
Published in Clinical chemistry (Baltimore, Md.) (01.04.2017)
Published in Clinical chemistry (Baltimore, Md.) (01.04.2017)
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Journal Article
Calculation of reference change values using more than two results is a difficult task
Lund, Flemming, Petersen, Per H, Fraser, Callum G, Sölétormos, György
Published in Annals of clinical biochemistry (01.05.2017)
Published in Annals of clinical biochemistry (01.05.2017)
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Analytical performance specifications for changes in assay bias (Δbias) for data with logarithmic distributions as assessed by effects on reference change values
Petersen, Per H, Lund, Flemming, Fraser, Callum G, Sölétormos, György
Published in Annals of clinical biochemistry (01.11.2016)
Published in Annals of clinical biochemistry (01.11.2016)
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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
Kristoffersen, Ann-Helen, Petersen, Per H, Sandberg, Sverre
Published in Annals of clinical biochemistry (01.11.2012)
Published in Annals of clinical biochemistry (01.11.2012)
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Journal Article
Authors' reply to the letter to Editor (Annals of Clinical Biochemistry): 'A simple approach to derive Z-score of reference change value involving more than two serial results'
Lund, Flemming, Petersen, Per H, Fraser, Callum G, Sölétormos, György
Published in Annals of clinical biochemistry (01.11.2015)
Published in Annals of clinical biochemistry (01.11.2015)
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Journal Article
Discrepancies in International Normalized Ratio Results between Instruments: A Model to Split the Variation into Subcomponents
SØLVIK, Una O, PETERSEN, Per H, MONSEN, Grete, STAVELIN, Anne V, SANDBERG, Sverre
Published in Clinical chemistry (Baltimore, Md.) (01.10.2010)
Published in Clinical chemistry (Baltimore, Md.) (01.10.2010)
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Journal Article
Quantifying capital goods for biological treatment of organic waste
Brogaard, Line K, Petersen, Per H, Nielsen, Peter D, Christensen, Thomas H
Published in Waste management & research (01.02.2015)
Published in Waste management & research (01.02.2015)
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The influence of coagulation factors on the in-treatment biological variation of international normalized ratio for patients on warfarin
Sølvik, Una Ø., Røraas, Thomas, Petersen, Per H., Stavelin, Anne, Monsen, Grete, Sandberg, Sverre
Published in Scandinavian journal of clinical and laboratory investigation (01.09.2014)
Published in Scandinavian journal of clinical and laboratory investigation (01.09.2014)
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Journal Article
Performance of seven criteria to assess CA125 increments among ovarian cancer patients monitored during first-line chemotherapy and the post-therapy follow-up period
Abu Hassan, Suher O, Nielsen, Dorte L, Tuxen, Malgorzata K, Petersen, Per H, Sölétormos, György
Published in Future science OA (01.08.2017)
Published in Future science OA (01.08.2017)
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Hypersecretion of the alpha-subunit in clinically non-functioning pituitary adenomas: Diagnostic accuracy is improved by adding alpha-subunit/gonadotropin ratio to levels of alpha-subunit
Andersen, Marianne, Ganc-Petersen, Joanna, Jørgensen, Jens O L, Mellemkjaer, Søren, Petersen, Per H, Blaabjerg, Ole, Hagen, Claus
Published in Clinical and investigative medicine (01.06.2010)
Published in Clinical and investigative medicine (01.06.2010)
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Journal Article
Randomised controlled trial of CRP rapid test as a guide to treatment of respiratory infections in general practice
Diederichsen, H Z, Skamling, M, Diederichsen, A, Grinsted, P, Antonsen, S, Petersen, P H, Munck, A P, Kragstrup, J
Published in Scandinavian journal of primary health care (01.03.2000)
Published in Scandinavian journal of primary health care (01.03.2000)
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Journal Article
Diagnostic and epidemiological implications of regional differences in serum concentrations of proteins observed in six Asian cities
Ichihara, Kiyoshi, Itoh, Yoshihisa, Min, Won-Ki, Yap, Sook Fan, Lam, Christopher W. K., Kong, Xian Tao, Chou, Chiung-Tei, Nakamura, Haruo
Published in Clinical chemistry and laboratory medicine (01.01.2004)
Published in Clinical chemistry and laboratory medicine (01.01.2004)
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Journal Article
Hypersecretion of the [alpha]-subunit in clinically nonfunctioning pituitary adenomas: Diagnostic accuracy is improved by adding [alpha]-subunit/gonadotropin ratio to levels of [alpha]-subunit
Andersen, Marianne, Ganc-Petersen, Joanna, Jørgensen, Jens O L, Mellemkjær, Søren, Petersen, Per H, Blaabjerg, Ole, Hagen, Claus
Published in Clinical and investigative medicine (01.06.2010)
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Published in Clinical and investigative medicine (01.06.2010)
Journal Article
The effect of short-term cortisol changes on growth hormone responses to the pyridostigmine-growth-hormone-releasing-hormone test in healthy adults and patients
Andersen, Marianne, Stoving, Rene K, Hangaard, Jorgen, Petersen, Per H, Hagen, Claus
Published in Clinical endocrinology (Oxford) (01.08.1998)
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Published in Clinical endocrinology (Oxford) (01.08.1998)
Journal Article
The effect of short-term cortisol changes on growth hormone responses to the pyridostigmine-growth-hormone-releasing-hormone test in healthy adults and patients with suspected growth hormone deficiency
Andersen, Marianne, Støving, Rene K., Hangaard, Jørgen, Petersen, Per H., Hagen, Claus
Published in Clinical endocrinology (Oxford) (01.08.1998)
Published in Clinical endocrinology (Oxford) (01.08.1998)
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Journal Article
315 GENETIC ANALYSIS OF CORD BLOOD IgE IN UNSELECTED LIKE-SEXED MONOZYGOTIC AND DIZYGOTIC TWINS
Husby, Steffen, Holm, Niels R, Skov, Randi, Morling, Niels, Petersen, Per H
Published in Pediatric research (01.07.1994)
Published in Pediatric research (01.07.1994)
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Journal Article
Clinical Evaluation of Models and Markers of Myocardial Ischemia
Hørder, Mogens, Petersen, Per H., Thygesen, Kristian
Published in Upsala journal of medical sciences (1983)
Published in Upsala journal of medical sciences (1983)
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