Table 1. Demographic information and clinical characteristics of 210 HCC patients.

Clinicopathological features		No. of patients		χ2	P
		High EDG2	Low EDG2
Age (years)	< 50	76	10	0.582	0.445
	≥ 50	105	19
Gender	Male	124	17	1.108	0.293
	Female	57	12
HBV infection	Present	129	23	0.808	0.369
	Absent	52	6
Serum AFP level (ng/mL)	< 400	28	11	8.339	0.004
	≥ 400	153	18
Tumor diameter (cm)	< 5	56	20	15.65	< 0.001
	≥ 5	125	9
Liver cirrhosis	Present	150	21	1.808	0.179
	Absent	31	8
Edmondson-Steiner classification	I + II	56	23	24.921	< 0.001
	III + IV	125	6
TNM stage	I + II	39	22	35.781	< 0.001
	III + IV	142	7
Portal vein invasion	Present	94	4	5.309	0.021
	Absent	117	25
Intra-hepatic metastases	Present	42	1	5.991	0.014
	Absent	139	28