Short-term prognostic factors for hepatitis B virus-related acute-on-chronic liver failure

Table 3 Receiver operating characteristic curve analysis of the prognostic model

Prognostic model	Area under curve	95%CI	Sensitivity	Specificity	Youden’s index	Positive predictive value	Negative predictive value
MELD	0.699	0.631-0.761	0.652	0.543	0.196	31.24	82.80
MELD-Na	0.734	0.668-0.793	0.684	0.554	0.238	32.81	84.63
GP73-ACLF	0.916	0.870-0.950	0.816	0.597	0.413	39.20	91.06

ACLF: Acute-on-chronic liver failure; CI: Confidence interval; GP73: Golgi protein 73; MELD: Model for End-Stage Liver Disease.