Table 3. Characteristic of Patients with HCC.

	Group
Variables	1	2	3
No. of patients	293	143	39
Mean age ± SD, yr	54.3±11.2	52.0±10.1	53.1±9.8
Gender, male/female	246/47	125/18	33/5
HBsAg, positive/negative	235/58	120/23	37/2
Background, CH/LC	102/139	30/105	13/26
AFP level (ng/ml), >400/≤400	115/178	58/85	11/28
Child-Pugh score, A/B/C	267/24/2	116/25/2	39/0/0
ALT level, >40/≤40 U/L	131/162	70/73	17/22
Tumor size* (cm), >5/≤5	138/155	65/78	18/21
Number of tumors, single/multiple	205/88	88/55	7/32
Tumor stage, I/II/III/IV	148/55/83/7	63/32/41/7	20/11/8/0
Tumor differentiation, I/II/III	21/130/142	6/72/65	2/21/16

HBV, hepatitis B virus; HCV, hepatitis C virus; CH, chronic hepatitis; LC, liver cirrhosis; AFP, alpha-fetoprotein.

^*Tumor size is expressed by the maximum diameter of tumors.