Table 1.
Characteristics baseline of patients in cohorts.
| Variable | TCCA (N = 970) | GSE31210 (N = 226) | GSE30219 (N = 161) | ||
|---|---|---|---|---|---|
| Training cohort (N = 717) | Testing cohort (N = 253) | p value | |||
| Gender | 0.1586 | ||||
| Male | 414 (57.7) | 159 (62.8) | 105 (46.5) | 137 (85.1) | |
| Female | 303 (42.3) | 94 (37.2) | 121 (53.5) | 24 (14.9) | |
| Age | 68.0 (33.0-99.0) | 67.0 (40.0-85.0) | 0.4507 | 61.0 (30.0-76.0) | 62.0 (40.0-84.0) |
| AJCC pathologic stage | 0.9050 | ||||
| Stage I | 383 (53.4) | 140 (55.3) | 168 (74.3) | 135 (83.8) | |
| Stage II | 215 (30.0) | 65 (25.7) | 58 (25.7) | 9 (5.6) | |
| Stage III | 119 (16.6) | 48 (19.0) | 0 (0.0) | 17 (10.6) | |
| AJCC T stage | 0.8260 | ||||
| T1 | 205 (28.6) | 75 (29.6) | |||
| T2 | 402 (56.0) | 139 (54.9) | |||
| T3 | 85 (11.9) | 30 (11.9) | |||
| T4 | 25 (3.5) | 9 (3.6) | |||
| AJCC N stage | 0.924 | ||||
| N0 | 463 (64.6) | 165 (65.2) | |||
| ≥N1 | 254 (35.4) | 88 (34.8) | |||
| Survival status | 0.4108 | ||||
| Alive | 428 (59.7) | 159 (62.8) | 188 (83.2) | 101 (62.7) | |
| Dead | 289 (40.3) | 94 (37.2) | 38 (16.8) | 60 (37.3) | |