Table 3.

Area under the curve for receiver operating characteristics and cutoff values for predicting acute kidney injury in acute-on-chronic liver failure patients

Parameter	Cutoff value	AUC (95%CI)	Sensitivity	Specificity	P value
CysC (mg/L)	1.21	0.974 (0.846-1.000)	100%	87.5%	< 0.0001
Cr (mg/dL)	1.1	0.526 (0.343-0.704)	37.5%	91.7%	0.828
BUN (mmol/L)	4.9	0.674 (0.487-0.829)	62.5%	79.2%	0.124
Serum sodium (mEq/L)	131	0.687 (0.500-0.839)	50%	87.5%	0.113

BUN: Blood urea nitrogen; Cr: Creatinine; CysC: Serum cystatin C; AUC: Area under the curve.