Table 1.

The clinical statistical information of the samples

Clinical features	Train	Test	GSE15048
OS
0	39	43	16
1	49	42	50
Grade
G1	16	11
G2	48	44
G3	23	27
G4	1	3
Gender
Male	39	40
Female	49	45
Age
≤ 48	6	6
> 48	82	79
M_stage
M0	38	38
M1	5	0
MX	45	44
N_stage
N0	25	24
N1	63	61
T_stage
T1	3	3
T2	12	11
T3	72	69
T4	1	2
Stage
Stage i	10	9
Stage ii	74	72
Stage iii	1	2
Stage iv	3	2