Cystatin C


Andersen TB, Erlandsen EJ, FrokiaerJ, Eskild-Jensen A and Brochner-Mortensen J, 2010, Scand J Clin Lab Invest, , , Comparison of within- and between-subject variation of serum cystatin C and serum creatinine in children aged 2-13 years


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 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 C8,10,13

Item Details

Parameter Score
Matrix Serum
Measurand Cystatin C
Unit mg / L
Overall Analytical Principle Method Nephelometry
Number of Subjects 30
Number of Subjects included in BV estimation 30
Ethinicity Caucasian
Age Mean / Median
Age Min 2.0
Age Max 13.0
Age SD
Number of Males 19
Number of Females 11
State of Well Being
Non-healthy (excl pregnant)
Study Duration Length 2
Study Duration Units Day
Sampling Intervals, e.g. X sample(s) per Interval Unit 1
Interval Units Day
Sampling Times Start Time: 0900
End Time: 1300
Number of Samples 2
Average Number of Samples Used for BV Estimation 2.0
Average Number of Replicates 2.0
Estimates of CVi 6.4
Calculated Confidence Intervals of CVi Lower: 5.06, Upper: 8.62
Estimates of CVg 11.1
Calculated Confidence Intervals of CVg Lower: 8.29, Upper: 15.39
Analytical CV 1.7
Calculated Confidence Intervals of Analytical CV Lower: 1.44, Upper: 2.07
Measurand Mean 0.85
Measurand Min
Measurand Max
Measurand SD