Table 2.

The sample information in training set and validation set.

Clinical Features	TCGA-train	TCGA-test	P
OS
0	115	41	0.08966
1	47	29
T stage
T1	83	32	0.4374
T2	38	13
T3	35	21
T4	6	4
Stage
I	82	31	0.3966
II	37	13
III	41	24
IV	2	2
Grade
G1	20	9	0.5613
G2	69	32
G3	64	28
G4	9	1
Gender
Female	22	50	1
Male	48	112
Age
>60	39	89	1
<=60	31	73