Per H. Petersen

Bergen, Norway

Last Updated: 09/26/2026

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Found 34 publications

Concentration of fibrin monomer in pregnancy and during the postpartum period.

Concentration of fibrin monomer in pregnancy and during the postpartum period.

Journal: Annals of clinical biochemistry

Published: August 03, 2019

Plasma creatinine medians from patients partitioned by gender and age used as a tool for assessment of analytical stability at different concentrations.

Plasma creatinine medians from patients partitioned by gender and age used as a tool for assessment of analytical stability at different concentrations.

Journal: Clinical chemistry and laboratory medicine

Published: March 26, 2019

Within-subject biological variation of activated partial thromboplastin time, prothrombin time, fibrinogen, factor VIII and von Willebrand factor in pregnant women.

Within-subject biological variation of activated partial thromboplastin time, prothrombin time, fibrinogen, factor VIII and von Willebrand factor in pregnant women.

Journal: Clinical chemistry and laboratory medicine

Published: December 29, 2017

Gender-partitioned patient medians of serum albumin requested by general practitioners for the assessment of analytical stability.

Gender-partitioned patient medians of serum albumin requested by general practitioners for the assessment of analytical stability.

Journal: Clinical chemistry and laboratory medicine

Published: August 29, 2017

Calculation of reference change values using more than two results is a difficult task.

Calculation of reference change values using more than two results is a difficult task.

Journal: Annals of clinical biochemistry

Published: April 26, 2017

Performance of seven criteria to assess CA125 increments among ovarian cancer patients monitored during first-line chemotherapy and the post-therapy follow-up period.

Performance of seven criteria to assess CA125 increments among ovarian cancer patients monitored during first-line chemotherapy and the post-therapy follow-up period.

Journal: Future science OA

Published: February 08, 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.

Biological variation: Evaluation of methods for constructing confidence intervals for estimates of within-person biological variation for different distributions of the within-person effect.

Journal: Clinica chimica acta; international journal of clinical chemistry

Published: January 29, 2017

Separate patient serum sodium medians from males and females provide independent information on analytical bias.

Separate patient serum sodium medians from males and females provide independent information on analytical bias.

Journal: Clinical chemistry and laboratory medicine

Published: November 04, 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.

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.

Journal: Scandinavian journal of clinical and laboratory investigation

Published: October 06, 2016

Estimates of Within-Subject Biological Variation of Protein C, Antithrombin, Protein S Free, Protein S Activity, and Activated Protein C Resistance in Pregnant Women.

Estimates of Within-Subject Biological Variation of Protein C, Antithrombin, Protein S Free, Protein S Activity, and Activated Protein C Resistance in Pregnant Women.

Journal: Clinical chemistry

Published: August 31, 2016

Different percentages of false-positive results obtained using five methods for the calculation of reference change values based on simulated normal and ln-normal distributions of data.

Different percentages of false-positive results obtained using five methods for the calculation of reference change values based on simulated normal and ln-normal distributions of data.

Journal: Annals of clinical biochemistry

Published: May 07, 2016

Analytical performance specifications for changes in assay bias (Δbias) for data with logarithmic distributions as assessed by effects on reference change values.

Analytical performance specifications for changes in assay bias (Δbias) for data with logarithmic distributions as assessed by effects on reference change values.

Journal: Annals of clinical biochemistry

Published: May 06, 2016

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Last Updated: 09/26/2026