Table IV.

Univariate and multivariate analysis of relative factors for disease-free survival.

		Univariate analysis		Multivariate analysis
Variable	Subgroup	HR	P-value	HR	P-value
Sex	Male vs. female	0.804	0.308
Age, years	≤65 vs. >65	1.553	0.031a	1.308	0.243
HBV	Yes vs. no	0.655	0.039a	0.641	0.355
HCV	Yes vs. no	1.761	0.015a	0.766	0.614
Liver cirrhosis	Yes vs. no	0.582	0.162
ALT, IU/l	≤40 vs. >40	0.994	0.972
AST, IU/l	≤40 vs. >40	0.786	0.174
Total bilirubin, µmol/l	≤19 vs. >19	1.164	0.367
Serum albumin, g/l	≤35 vs. >35	1.398	0.078	1.083	0.705
Prothrombin time, sec	≤15 vs. >15	0.720	0.069	0.838	0.395
Platelet count 109 cells/l	≤100 vs. >100	1.325	0.093	1.101	0.640
Ascites	Absent vs. present	1.171	0.522
Child-Pugh	A vs. B	1.446	0.084	1.296	0.257
AFP, ng/ml	≤400 vs. >400	1.167	0.464
Tumor size, cm	≤3 vs. >3	1.409	0.048a	1.621	0.010a
Tumor number	Single vs. multiple	0.557	0.004a	0.650	0.061
Intervention	RES vs. MWA	0.607	0.003a	0.607	0.007a

^aP<0.05. HR, hazard ratio; HBV, hepatitis B virus; HCV, hepatitis C virus.