Proinsulin C-peptide

Reference

Reference
Dittadi R, Gelisio P, Rossi L, Frigato F and Gion M, 2008, Clin Chem Lab Med, 46, 1480-2 , Biological variability evaluation and comparison of three different methods for C-peptide measurement

Scoring

Total Score

C2,6,7,8,10,12,13

Parameter Score
1. Scale A
2. Study Population C
3. Samples A
4. Measurand A
5. Pre-Analytical A
6. Replicate Analysis C
7. Steady State C
8. Outlier Analysis C
9. Normality B
10. Variance Homogeneity C
11. ANOVA A
12. CI C
13. No of Results C
14. Concentrations B
15. Total Score C2,6,7,8,10,12,13
Comment

Item Details

Parameter Score
Matrix Serum
Measurand Proinsulin C-peptide
Unit nmol / L
Overall Analytical Principle Method Chemiluminescence
Number of Subjects 15
Number of Subjects included in BV estimation 15
Ethinicity Unknown
Age Mean / Median
Age Min
Age Max
Age SD
Number of Males 7
Number of Females 8
State of Well Being
Healthy (excl pregnant)
Diseases
Study Duration Length 4
Study Duration Units Month
Sampling Intervals, e.g. X sample(s) per Interval Unit 1
Interval Units Month
Sampling Times Start Time: 8:30
End Time: 9:30
Number of Samples 5
Average Number of Samples Used for BV Estimation 5.0
Average Number of Replicates 1.0
Estimates of CVi 23.8
Calculated Confidence Intervals of CVi Lower: , Upper:
Estimates of CVg 33.1
Calculated Confidence Intervals of CVg Lower: , Upper:
Analytical CV
Calculated Confidence Intervals of Analytical CV Lower: , Upper:
Measurand Mean
Measurand Min
Measurand Max
Measurand SD

Coding