Table 2. Characteristics of the patients.

Group	Variable	No.	Group	Variable	No.
Healthy (n=45)	Age, years		Cirrhosis (n = 45)	Age, years
	mean	29.608		mean	51.496
	SD	11.331		SD	10.339
	Male	26		Male	34
	female	19		female	11
	Serum AFP			Serum AFP
	<20 ng/ml	45		<20 ng/ml	33
	≥20 ng/ml	0		=20–400 ng/ml	10
				>400 ng/ml	2
Hepatitis (n=45)	Age, years		liver cancer (n = 45)	Age, years
	mean	41.143		mean	52.333
	SD	13.155		SD	11.909
	Male	38		Male	36
	female	7		female	9
	Serum AFP			Serum AFP
	<20 ng/ml	20		<20 ng/ml	16
	=20–400 ng/ml	19		=20–400 ng/ml	12
	>400 ng/ml	6		>400 ng/ml	17