Fig. 4. ROC curves, calibration curve and DCA curves for 90-day prognosis, and cumulative 0-90 days mortality of grade I, II, and III patients in the validation set at (A–D) baseline, (E–H) the third day after admission, (I–L) the first week, and (M–P) the second week.

ACLF, acute-on-chronic liver failure; CLIF-OF, chronic liver failure consortium organ function; CLIF-SOFA, chronic liver failure-sequential organ failure assessment; CTP, Child-Turcotte-Pugh; MELD, model for end-stage liver disease; WASP-ACLF, widely applicable and simple prognostic score of ACLF; ROC, receiver operating characteristic; DCA, decision curve analysis.