Table 1.
Patient characteristics
| Characteristics | Total (n = 304) |
|---|---|
| Age (years: median [range]) | 71 [22–93] |
| Gender | |
| Male | 252 (83%) |
| Female | 52 (17%) |
| Histological subtype | |
| Squamous cell carcinoma | 135 (44%) |
| Adenocarcinoma | 149 (49%) |
| Large cell carcinoma | 7 (2%) |
| Not otherwise specified | 13 (4%) |
| T stage | |
| 0 | 1 (0%) |
| 1 | 93 (31%) |
| 2 | 96 (32%) |
| 3 | 49 (16%) |
| 4 | 55 (18%) |
| N stage | |
| 0 | 110 (36%) |
| 1 | 37 (12%) |
| 2 | 103 (34%) |
| 3 | 47 (15%) |
| M stage | |
| 0 | 253 (83%) |
| 1 | 42 (14%) |
| Clinical stage | |
| I | 83 (27%) |
| II | 25 (8%) |
| III | 146 (48%) |
| IV | 41 (13%) |
| Chemotherapy status | |
| Yes | 140 (46%) |
| No | 164 (54%) |
| Survival time (days: median [range]) | 598 [1–3364] |
| Survival status | |
| Survival | 126 (41%) |
| Death | 178 (59%) |