Table 3. Sensitivity, specificity, positive predictive and negative predictive values for cystatin C, hs-CRP, NLR, and PLR.

	Area	P	Cutt-off	Lower	Upper	Sensitivity	Specificity	PPV	NPV
Cystatin C	0.921	<0.001	0.685	0.884	0.956	78.9	84.2	83.3	80
Hs-CRP	0.897	<0.001	3.595	0.849	0.945	82.6	85.7	84.4	84
NLR	0.669	<0.001	1.906	0.592	0.745	58.5	63.5	61.1	61
PLR	0.514	0.745	126.84	0.431	0.597	49.5	54.7	52.2	52

p values were calculated according to ROC analysis. PPV: positive predictive value; NPV: negative predictive value.