Delanaye P, Cavalier E, Depas G, Chapelle JP and Krzesinski JM, 2008, Nephron Clin Pract, 108, 246-8 , New data on the intraindividual variation of cystatin C


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
Comment 2 samples per subject

Item Details

Parameter Score
Matrix Serum
Measurand Creatinine
Unit mg / mL
Overall Analytical Principle Method Enzymatic analysis - Not specified
Number of Subjects 13
Number of Subjects included in BV estimation 12
Ethinicity Unknown
Age Mean / Median
Age Min 30.0
Age Max 46.0
Age SD
Number of Males 7
Number of Females 6
State of Well Being
Healthy (excl pregnant)
Study Duration Length 14
Study Duration Units Day
Sampling Intervals, e.g. X sample(s) per Interval Unit 1
Interval Units Week
Sampling Times Start Time: 08:00
End Time:
Number of Samples 2
Average Number of Samples Used for BV Estimation 2.0
Average Number of Replicates 2.0
Estimates of CVi 5.0
Calculated Confidence Intervals of CVi Lower: 3.21, Upper: 8.68
Estimates of CVg
Calculated Confidence Intervals of CVg Lower: 0.00, Upper:
Analytical CV 2.9
Calculated Confidence Intervals of Analytical CV Lower: 2.26, Upper: 4.03
Measurand Mean 0.89
Measurand Min
Measurand Max
Measurand SD