Table 3.

Comparison of different prognostic models on CHF patients.

Model predictors	Likelihood ratio test χ2	AIC	P-value	C-index	Adjusted C-index
Model	81.81	995.19	<0.001	0.759	0.750
Model + Scr	82.47	996.53	<0.001	0.761	0.748
Model + TBIL	82.71	996.29	<0.001	0.759	0.748
Model + MEDEL-XI*	87.17	991.83	<0.001	0.764	0.751
Model + MEDEL-XI	84.55	994.44	<0.001	0.761	0.750

^*Hierarchical variable.

AIC, Akaike information criterion.