Table 1. The characteristics of the hepatocellular carcinoma cases and healthy controls.

Variables	Case (n=50)	Control (n=50)	P value
Age(years) (mean ± SD)			0.8200
<50	14	12
≥50	36	38
Gender			0.6709
Male	32	35
Female	18	15
Drinking status			0.8153
Never	13	11
Ever	37	39
Tumor staging (TNM)
I/ II	26	-	-
III/ IV	24	-

Fisher's exact test for all variables between HCC cases and controls