Kafonek SD, Derby CA and Bachorik PS, 1992, Clin Chem, 38, 864-72 , Biological variability of lipoproteins and apolipoproteins in patients referred to a lipid clinic


Total Score


Parameter Score
1. Scale A
2. Study Population A
3. Samples A
4. Measurand A
5. Pre-Analytical A
6. Replicate Analysis B
7. Steady State A
8. Outlier Analysis C
9. Normality B
10. Variance Homogeneity C
12. CI A
13. No of Results C
14. Concentrations A
15. Total Score C8,10,11,13

Item Details

Parameter Score
Matrix Plasma
Measurand Triglycerides
Unit mmol / L
Overall Analytical Principle Method Spectrophotometry; UV/VISIBLE
Number of Subjects 42
Number of Subjects included in BV estimation 42
Ethinicity Unknown
Age Mean / Median 9.0
Age Min
Age Max
Age SD
Number of Males 42
Number of Females
State of Well Being
Non-healthy (excl pregnant)
Study Duration Length 2
Study Duration Units Year
Sampling Intervals, e.g. X sample(s) per Interval Unit
Interval Units Week
Sampling Times Start Time:
End Time:
Number of Samples 3
Average Number of Samples Used for BV Estimation 3.0
Average Number of Replicates 1.0
Estimates of CVi 16.3
Calculated Confidence Intervals of CVi Lower: 13.68, Upper: 19.45
Estimates of CVg
Calculated Confidence Intervals of CVg Lower: 0.00, Upper:
Analytical CV 5.0
Calculated Confidence Intervals of Analytical CV Lower: 3.59, Upper: 8.25
Measurand Mean 1.19
Measurand Min
Measurand Max
Measurand SD 0.48