Table 1. Clinicopathologic features of patients from three cohorts.

Feature	Cohort 1(182 patients)	Cohort 2(45 patients)	Cohort 3(35 patients)
Age (years), median (range)	52 (16–75)	51 (23–72)	51(31–68)
Sex, female/male	16/166	5/40	4/31
Preoperative ALT, U/L, mean ± SD	46.8±32.3	42.0±31.8	44.3±30.2
α-Fetoprotein, ng/mL, mean ± SD	4535.3±2340.7	4687.4±2102.3	4320.3±1973.4
Liver cirrhosis, no/yes	45/137	7/38	5/30
HBsAg, no/yes	38/144	9/36	6/29
Tumor size, cm, mean ± SD	6.6±5.0	6.4±4.6	6.1±4.8
Lymph node metastasis, no/yes	145/37	42/3	33/2
Satellite lesions, no/yes	146/36	40/5	30/5
Cancerous thrombi, no/yes	111/71	31/14	23/12
Tumor differentiation, I–II/III–IV	135/47	39/6	32/3
TNM stage, I/II/IIIA	117/23/42	32/6/7	31/2/2

Abbreviations: ALT, alanine aminotransferase; HBsAg, hepatitis B surface antigen;