Relationships between cell cycle pathway gene polymorphisms and risk of hepatocellular carcinoma

Table 2 General demographic characteristics and behavioral information among hepatocellular carcinoma patients and controls

Variable	HCC patients	Controls	t/χ2	P value
	n = 1019	n = 1138
Age	48.54 ± 11.44	48.01 ± 11.50	-1.076	0.28
Gender
Male	881	982	0.013	0.91
Female	138	156
Nationality
Han	673	708	3.591	0.17
Zhuang	332	410
Others	14	20
Drinking
Yes	345	145	136.527	< 0.001
No	674	993
Smoking
Yes	355	158	130.222	< 0.001
No	664	980
Chronic HBV infection
Yes	794	109	1031.687	< 0.001
No	225	1029
Family history of HCC
Yes	80	2	86.597	< 0.001
No	939	1136

HCC: Hepatocellular carcinoma.