Table 2.

Variability analysis for cystatin C and creatinine.

Cystatin CCreatinine
Mean concentration0.65 mg/L86 ╬╝mol/L
CVA8.9%3.1%
CVI13.3%4.9%
CVG8.1%18.2%
IoI1.640.27
Biological critical difference, % of mean value36.8%13.6%
Test critical difference including analytical variation, % of mean value44.3%16.1%