Table 1.

Clinical and demographic characteristics of patients with hepatocellular carcinoma and healthy controls

Variables	Cases (n = 85)		Controls (n = 85)		P-value
	n	%	n	%
Average age (years)	53.6 ± 12.0		50.8 ± 13.0		0.154a
Sex
Male	70	82.4	69	81.2
Female	15	17.6	16	18.8	0.843b
Hepatitis B virus
Positive	75	88.2	69	81.2
Negative	10	11.8	16	18.8	0.201b
Alfa-fetoprotein
Positive	67	78.8	1	1.2
Negative	18	21.2	84	98.8	<0.001c

Notes:

^aIndependent samples test;

^bPearson Chi-square test;

^cFisher’s Exact test.