Cystatin C

Included in meta analysis


Reinhard M, Erlandsen EJ and Randers E, 2009, Scand J Clin Lab Invest, 69, 831-6 , Biological variation of cystatin C and creatinine


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 C
8. Outlier Analysis B
9. Normality B
10. Variance Homogeneity C
12. CI A
13. No of Results B
14. Concentrations A
15. Total Score C7,10

Item Details

Parameter Score
Matrix Serum
Measurand Cystatin C
Unit mg / L
Overall Analytical Principle Method Turbidimetry
Number of Subjects 20
Number of Subjects included in BV estimation 20
Ethinicity Unknown
Age Mean / Median 44.0
Age Min 25.0
Age Max 61.0
Age SD
Number of Males 7
Number of Females 13
State of Well Being
Healthy (excl pregnant)
Study Duration Length 56
Study Duration Units Day
Sampling Intervals, e.g. X sample(s) per Interval Unit 1
Interval Units Week
Sampling Times Start Time: 07:00
End Time: 10:00
Number of Samples 8
Average Number of Samples Used for BV Estimation 8.0
Average Number of Replicates 2.0
Estimates of CVi 8.6
Calculated Confidence Intervals of CVi Lower: 7.67, Upper: 9.77
Estimates of CVg 15.1
Calculated Confidence Intervals of CVg Lower: 11.38, Upper: 22.04
Analytical CV 2.0
Calculated Confidence Intervals of Analytical CV Lower: 1.80, Upper: 2.25
Measurand Mean 0.7
Measurand Min
Measurand Max
Measurand SD