Table 3. AUC value and Harrell’s C-statics for comparing each grades.

	Harrell’s C-statistic (95% CI)	1-year mortality			3-year mortality			5-year mortality
		AUC (95% CI)	p valuea	p valueb	AUC (95% CI)	p valuea	p valueb	AUC (95% CI)	p valuea	p valueb
All patients
MELD grade	0.607 (0.599–0.615)	0.645 (0.632–0.658)	reference	<0.001	0.625 (0.613–0.636)	reference	<0.001	0.618 (0.604–0.632)	reference	<0.001
CTP class	0.633 (0.625–0.640)	0.685 (0.673–0.697)	<0.001	<0.001	0.656 (0.646–0.666)	<.0001	<0.001	0.647 (0.636–0.658)	<.0001	<0.001
ALBI grade	0.642 (0.634–0.649)	0.688 (0.676–0.700)	<0.001	<0.001	0.676 (0.664–0.688)	<.0001	<0.001	0.669 (0.654–0.684)	<.0001	<0.001
PALBI grade	0.675 (0.667–0.682)	0.750 (0.738–0.762)	<0.001	reference	0.711 (0.699–0.723)	<.0001	reference	0.696 (0.682–0.711)	<.0001	reference

AUC, The area under the receiver operating characteristics curve; MELD, model for end-stage liver disease; CTP, Child-Turcotte-Pugh; ALBI, albumin-bilirubin; PALBI, platelet-albumin-bilirubin

^aP value in the table denotes for comparison between MELD with other scores;

^bP value in the table denotes for comparison between PALBI with other scores