Table 2.

TCGA training set and validation set sample information table.

Clinical features	TCGA-HCC train	TCGA-HCC test	P
OS
0	114	121	0.5582
1	68	62
T stage
T1	91	89	0.9113
T2	47	44
T3	36	42
T4	7	6
TX	1	2
N stage
N0	120	128	0.1145
N1	4	0
NX	58	55
M stage
M0	133	130	0.1715
M1	3	0
MX	46	53
Stage
I	83	87	0.3301
II	43	41
III	39	44
IV	4	0
X	13	11
Grade
G1	26	29	0.6808
G2	88	87
G3	59	59
G4	5	7
GX	4	1
Gender
Male	125	121	0.6816
Female	57	62
Age
≤ 60	87	86	0.9604
> 60	95	97