Fig. 1From: Serum cystatin is a useful marker for the diagnosis of acute kidney injury in critically ill children: prospective cohort studyROC analysis of cysatatin C at 0Â h for the diagnosis of AKI had a sensitivity of 78Â % and a specificity of 57Â % with a cutoff 0.645, while serum creatinine had a sensitivity of 50Â % and a specificity of 67.7Â % with a cutoff value of 30 umol/lBack to article page