Table 3.

Clinical Characteristics of HCC Patients in External Cohort Stratified by Risk Status

Characteristics	High Risk (n=25)	Low Risk (n=25)	P-value*
Age			0.024
≦65	9	17
>65	16	8
Gender			0.571
Male	12	14
Female	13	11
Stage			0.008
Stage I–II	7	18
Stage III–IV	18	7
Grade			0.027
Grade 1–2	10	19
Grade 3	8	13
Grade 4	15	6
Risk score	4.0±0.7	2.1±0.6	<0.001

Notes: *P-value for category variables were calculated by χ² test or Fisher’s exact test, for continuous variable, P-value was calculate by t test.