Included in meta analysis


Choudhury N, Lyons Wall PM and Stewart Truswell A, 1994, Clin Chem, 40, 710-5 , Effect of time between measurements on within-subject variability for total cholesterol and high-density lipoprotein cholesterol in women


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 B
8. Outlier Analysis C
9. Normality B
10. Variance Homogeneity C
12. CI C
13. No of Results C
14. Concentrations A
15. Total Score C8,10,12,13

Item Details

Parameter Score
Matrix Plasma
Measurand Cholesterol
Unit mmol / L
Overall Analytical Principle Method Spectrophotometry; UV/VISIBLE
Number of Subjects 13
Number of Subjects included in BV estimation 13
Ethinicity Unknown
Age Mean / Median
Age Min 19.0
Age Max 37.0
Age SD
Number of Males
Number of Females 13
State of Well Being
Healthy (excl pregnant)
Study Duration Length 5
Study Duration Units Week
Sampling Intervals, e.g. X sample(s) per Interval Unit 2
Interval Units Week
Sampling Times Start Time: 7.30
End Time: 9
Number of Samples 20
Average Number of Samples Used for BV Estimation 20.0
Average Number of Replicates 1.0
Estimates of CVi 7.8
Calculated Confidence Intervals of CVi Lower: 7.00, Upper: 8.65
Estimates of CVg
Calculated Confidence Intervals of CVg Lower: 0.00, Upper:
Analytical CV 2.7
Calculated Confidence Intervals of Analytical CV Lower: 2.13, Upper: 3.70
Measurand Mean 4.47
Measurand Min
Measurand Max
Measurand SD