Table 1.
The baseline characteristics of the patients in TCGA and GEO cohorts.
| TCGA | GSE31210 | GSE30219 | GSE31546 | ||
|---|---|---|---|---|---|
| LUAD Samples | 535 | 226 | 85 | 17 | |
| Age, mean (SD) | 65.56 (10.09) | 59.58 (7.40) | 61.49 (9.28) | – | |
| Gender, n (%) | Male | 249 (46.54) | 105 (46.46) | 66 (77.65) | 3 (17.65) |
| Ever-smoker, n (%) | 0.0 | – | 115 (50.88) | – | 4 (23.53) |
| 1.0 | – | 111 (49.12) | – | 13 (76.47) | |
| Stage, n (%) | I | 294 (55.79) | 168 (74.34) | 71 (83.53) | – |
| II | 123 (23.34) | 58 (25.66) | 13 (15.29) | – | |
| III | 84 (15.94) | 0 (0.00) | 1 (1.18) | – | |
| IV | 26 (4.93) | 0 (0.00) | 0 (0.00) | – | |
| T, n (%) | 1 | 175 (32.71) | – | 71 (83.53) | 11 (64.71) |
| 2 | 289 (54.02) | – | 12 (14.12) | 5 (29.41) | |
| 3 | 49 (9.16) | – | 2 (2.35) | 0 (0.00) | |
| 4 | 19 (3.55) | – | 0 (0.00) | 0 (0.00) | |
| X | 3 (0.56) | – | 0 (0.00) | 1 (5.88) | |
| N, n (%) | 0 | 348 (65.17) | – | 82 (96.47) | 15 (88.24) |
| 1 | 95 (17.79) | – | 3 (3.53) | 1 (5.88) | |
| 2 | 74 (13.86) | – | 0 (0.00) | 0 (0.00) | |
| 3 | 2 (0.37) | – | 0 (0.00) | 0 (0.00) | |
| X | 15 (2.81) | – | 0 (0.00) | 1 (5.88) | |
| M, n (%) | 0 | 361 (68.24) | – | 85 (100.00) | – |
| 1 | 25 (4.73) | – | 0 (0.00) | – | |
| X | 143 (27.03) | – | 0 (0.00) | – |