Table 1 Clinical information of 504 patients with LUAD from the TCGA database
Clinical features | TCGA database (n = 504) | Training group (n = 252) | Validation group (n = 252) |
|---|---|---|---|
Age | 65.30 ± 10.03 | 65.26 ± 9.91 | 65.34 ± 10.17 |
Sex | |||
 Male | 234 | 122 | 112 |
 Female | 270 | 130 | 140 |
Pathological stage | |||
 I | 270 | 137 | 133 |
 II | 119 | 62 | 57 |
 III | 81 | 38 | 43 |
 IV | 26 | 12 | 14 |
 Unknown | 8 | 3 | 5 |
T | |||
 T1 | 168 | 77 | 91 |
 T2 | 269 | 137 | 132 |
 T3 | 45 | 25 | 20 |
 T4 | 19 | 11 | 8 |
 Unknown | 3 | 2 | 1 |
N | |||
 N0 | 325 | 162 | 163 |
 N1 | 94 | 50 | 44 |
 N2 | 71 | 30 | 41 |
 N3 | 2 | 1 | 1 |
 Unknown | 12 | 9 | 3 |
M | |||
 M0 | 335 | 163 | 172 |
 M1 | 25 | 12 | 13 |
 Unknown | 144 | 77 | 67 |