Table I.

Characteristics of the hepatocellular carcinoma and control groups.

Characteristics	Hepatocellular carcinoma group (n=252)		Control group (n=250)		P-value
	n	%	n	%
Age (years)
≥50	149	59.1	143	57.2	0.72
<50	103	40.9	107	42.8
Mean ± SD	51.6±7.4		52.1±6.7
Gender
Male	191	75.8	185	74.0	0.68
Female	61	24.2	65	26.0
Tobacco smoking
Yes	168	66.7	169	67.6	0.85
No	84	33.3	81	32.4
Alcohol consumption
Yes	197	75.4	190	76.0	0.60
No	55	24.6	60	24.0
HBV antigen (+)
Yes	203	80.6	194	77.6	0.44
No	49	19.4	56	22.4
Family history
Yes	37	14.7	35	14.0	0.90
No	215	85.3	215	86.0