| N = 54 | N (%) | |
| Age, year (range) | 63 (41 - 78) | |
| Sex | Male | 45 (83.3) |
| Female | 9 (16.7) | |
| Age | <70 | 34 (63.0) |
| ≥70 | 20 (37.0) | |
| Health fund | UCS/SSS | 41 (87.0)/1 (1.9) |
| GSEO | 6 (11.1) | |
| Smoking | Yes | 49 (90.7) |
| No/NA | 1 (1.9)/4 (7.4) | |
| SVCO | Yes | 19 (35.2) |
| No | 35 (64.8) | |
| Hyponatremia | Yes | 9 (16.7) |
| No/NA | 33 (61.1)/12 (22.2) | |
| ECOG performance status | 0 - 1 | 33 (61.1) |
| 2 - 4, NA* | 21 (38.9) | |
| Pathology # | Biopsy | 45 (83.3) |
| Cytology | 9 (16.7) | |
| VALG staging | Limited | 15 (27.8) |
| Extensive | 39 (72.2) | |
| TNM staging | III-A | 9 (16.7) |
| III-B | 13 (24.1) | |
| IV | 32 (59.3) | |
| Tumor | 1/2 | 3 (5.6)/9 (16.7) |
| 3/4 | 14 (25.9)/24 (44.4) | |
| x | 4 (7.4) | |
| Node | 0/1 | 2 (3.7)/1 (1.9) |
| 2/3 | 22 (40.7)/21 (38.9) | |
| x | 8 (14.8) | |
| Metastasis | 0/1 | 22 (40.7)/32 (59.3) |