Proinsulin C-peptide

Reference

Reference
Lacher DA, Hughes JP and Carroll MD, 2005, Clin Chem, 51, 450-2 , Estimate of biological variation of laboratory analytes based on the third National Health and Nutrition Examination Survey

Scoring

Total Score

C5,7,8,10,12,13

Parameter Score
1. Scale A
2. Study Population B
3. Samples A
4. Measurand A
5. Pre-Analytical C
6. Replicate Analysis B
7. Steady State C
8. Outlier Analysis C
9. Normality B
10. Variance Homogeneity C
11. ANOVA B
12. CI C
13. No of Results C
14. Concentrations A
15. Total Score C5,7,8,10,12,13
Comment

Item Details

Parameter Score
Matrix Plasma
Measurand Proinsulin C-peptide
Unit nmol / L
Overall Analytical Principle Method Unknown
Number of Subjects 13549
Number of Subjects included in BV estimation 13549
Ethinicity Mixed
Age Mean / Median 42.9
Age Min
Age Max
Age SD
Number of Males
Number of Females
State of Well Being
Healthy (excl pregnant)
Diseases
Study Duration Length 72.
Study Duration Units Month
Sampling Intervals, e.g. X sample(s) per Interval Unit
Interval Units Other
Sampling Times Start Time:
End Time:
Number of Samples 2
Average Number of Samples Used for BV Estimation 2.0
Average Number of Replicates 1.0
Estimates of CVi
Calculated Confidence Intervals of CVi Lower: , Upper:
Estimates of CVg 65.7
Calculated Confidence Intervals of CVg Lower: 0.00, Upper: 0.00
Analytical CV 7.2
Calculated Confidence Intervals of Analytical CV Lower: 9.71, Upper: 9.71
Measurand Mean
Measurand Min 0.68
Measurand Max
Measurand SD

Coding