TABLE 1.

Sample information

Clinical features	TCGA‐LUAD	GSE31210
OS
0	318	191
1	182	35
Gender
Female	270	121
Male	230	105
Age
≤60	157	0
>60	343	226
T Stage
T1	167
T2	267
T3	45
T4	18
N Stage
N0	324
N1	94
N2	69
N3	2
M Stage
M0	332
M1	24
Stage
I	268	168
II	119	58
III	80	0
IV	25	0
Smoking history
1	71
2	119
3	129
4	163
5	4