Table 3. Cox proportional hazards model.

				Overall survival				Tumor free survival				Hepatitis free survival
				N = 4732<$>\raster(70%)="rg1"<$>				N = 4732<$>\raster(70%)="rg1"<$>				N = 4732<$>\raster(70%)="rg1"<$>
Factor★	Group		Reference group	P	Hazard ratio	95% Confidence interval		P	Hazard ratio	95% Confidence interval		P	Hazard ratio	95% Confidence interval
Hepatitis	HBV	V.S.	HCV	<.001	0.516	0.42	0.63	<.001	0.636	0.53	0.76	<.001	0.545	0.45	0.66
Preoperative AFP	0–125	V.S.	≥500	<.001	0.718	0.64	0.81	<.001	0.698	0.63	0.77	<.001	0.722	0.65	0.81
	125–200			0.296	0.882	0.70	1.12	0.002	0.719	0.58	0.89	0.168	0.848	0.67	1.07
	200–500			0.134	0.883	0.75	1.04	0.093	0.887	0.77	1.02	0.087	0.870	0.74	1.02
Size of largest tumor	≤5 cm	V.S.	>5 cm	<.001	0.696	0.62	0.78	<.001	0.665	0.60	0.73	<.001	0.711	0.64	0.80
Number of tumor nodules	≤4	V.S.	>4	<.001	0.756	0.67	0.86	<.001	0.766	0.68	0.86	<.001	0.781	0.69	0.89
TNM staging	Stage I	V.S.	Stage IV	<.001	0.469	0.37	0.57	<.001	0.469	0.37	0.57	<.001	0.489	0.39	0.61
	Stage II			<.001	0.532	0.43	0.63	<.001	0.532	0.43	0.63	<.001	0.537	0.45	0.65
	Stage III			0.017	0.820	0.70	0.97	0.046	0.865	0.75	1.00	0.029	0.834	0.71	0.98
Vascular invasion	Yse	V.S.	No	<.001	1.538	1.37	1.73	<.001	1.470	1.33	1.63	<.001	1.510	1.34	1.70
Preoperative MELD score	6–20	V.S.	31–40	<.001	0.512	0.40	0.66	<.001	0.591	0.47	0.75	<.001	0.543	0.42	0.70
	21–30			0.005	0.659	0.49	0.88	0.008	0.694	0.53	0.91	0.009	0.683	0.51	0.91

^{<$>\scale 48%\raster="rg1"<$>}Cases in which data for any of the variables listed was missing (N = 2926) were excluded.

^★Adjusted for transplant year, recipient gender, recipient age and graft type (cadaveric/living).