Cummings ST and Fraser CG, 1988, Ann Clin Biochem, 25, 634-7 , Variability of capillary plasma glucose in healthy i ndividuals in repeated 75g oral glucose tolerance tests


Total Score


Parameter Score
1. Scale A
2. Study Population A
3. Samples A
4. Measurand A
5. Pre-Analytical A
6. Replicate Analysis A
7. Steady State B
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 C8,10,13

Item Details

Parameter Score
Matrix Capillary plasma
Measurand Glucose
Unit mmol / L
Overall Analytical Principle Method Spectrophotometry; Enzymatic
Number of Subjects 14
Number of Subjects included in BV estimation 14
Ethinicity Unknown
Age Mean / Median
Age Min 23.0
Age Max 48.0
Age SD
Number of Males 7
Number of Females 7
State of Well Being
Healthy (excl pregnant)
Study Duration Length 10
Study Duration Units Week
Sampling Intervals, e.g. X sample(s) per Interval Unit 1
Interval Units Week
Sampling Times Start Time: 8:30
End Time: 9:30
Number of Samples 10
Average Number of Samples Used for BV Estimation 10.0
Average Number of Replicates 2.0
Estimates of CVi 11.2
Calculated Confidence Intervals of CVi Lower: 9.96, Upper: 12.79
Estimates of CVg 11.1
Calculated Confidence Intervals of CVg Lower: 7.74, Upper: 18.03
Analytical CV 1.6
Calculated Confidence Intervals of Analytical CV Lower: 1.43, Upper: 1.81
Measurand Mean 7.51
Measurand Min
Measurand Max
Measurand SD