Modified model for end-stage liver disease improves short-term prognosis of hepatitis B virus-related acute-on-chronic liver failure

Table 4 Prognostic value of the various models

model	AUROC	95%CI	Cut-offvalue	Sensitivity	Specificity	PPV	NPV
MELD	0.818	0.759-0.877	24.5	87.70 %	63.80%	85.85%	64.62%
LAC	0.79	0.730-0.850	2.68	86.80%	62.10%	86.79%	58.46%
MELD-LAC	0.859	0.807-0.911	-0.4741	91.50%	80.10%	94.34%	74.62%

AUROC: The area under the receiver operating characteristic; PPV: Positive predictive value; NPV: Negative predictive value. LAC: The venous lactate; MELD: Model for end-stage liver disease.