Table 4. Clinical characteristics of 60 patients with HCC.

Clinical variable	n	%
Age, mean±S.D., year	51±10
<50	34	56.7
≥50	26	43.3
Sex
Male	54	90.0
Female	6	10.0
Etiology
HBV only	54	90.0
HCV only	1	1.7
HBV and HCV	1	1.7
Non-HBV, non-HCV	4	6.6
Child–Pugh class
A	47	78.3
B	9	15.0
C	4	6.7
Cirrhosis
With	53	88.3
Without	7	11.7
AFP, ng/ml
<20	16	26.7
20–100	8	13.3
100–400	10	16.7
≥400	26	43.3
Tumor number
Single	45	75
Multiple	15	25
Tumor size, cm
<3	11	18.3
3–5	12	20
≥5	37	61.7
Portal vein tumor thrombus
Without	28	46.7
With	32	53.3
Edmondson–Steiner grade
I or II	12	20
III or IV	16	26.7
N/Aa	32	53.3
TNMb
Stage I	19	31.7
Stage II	4	6.7
Stage III	32	53.3
Stage IV	5	8.3
Milan criteria
Within	18	30
Beyond	42	70
Total	60	100

HBV, hepatitis B virus; HCV, hepatitis C virus; N/A, not applicable

^aThese HCC patients did not undergo hepatic resection nor liver biopsy, and the specimens were not available

^bSixth edition of UICC TNM staging system of HCC (2002)