Table 1 Clinical characteristics of lung adenocarcinoma patients included in this study
Characteristic | TCGA-LUAD (n = 492) | GSE310219 (n = 292) |
|---|---|---|
Age (%) | ||
  ≤ 65 | 235(47.8) | 179 (61.3) |
  > 65 | 257(52.2) | 113 (38.7) |
Gender (%) | ||
 Male | 228 (46.3) | 249 (85.3) |
 Female | 264 (53.7) | 43 (14.7) |
Stage (%) | ||
 I + II | 386 (78.5) | – |
 III + IV | 106 (21.5) | – |
T(%) | ||
 T1 + T2 | 427 (86.8) | 235 (80.5) |
 T3 + T4 | 62 (12.6) | 52 (17.8) |
 Tx | 3 (0.6) | 5 (1.7) |
N(%) | ||
 N0 | 317 (64.4) | 198 (67.8) |
 N1 + N2 + N3 | 165 (33.5) | 93 (31.8) |
 Nx | 10 (2.0) | 1 (0.3) |
M(%) | ||
 M0 | 328 (66.7) | 281 (96.2) |
 M1 | 25 (5.1) | 8 (2.7) |
 Mx | 139 (28.2) | 3 (1.1) |