Table 1.
Demographic data of study group
| (n = 529) | |
|---|---|
| Age, mean + SD (years) | 65.9 ± 8.7 |
| Gender, n (%) | |
| Male | 474 (90) |
| Female | 55 (10) |
| Histopathology, n (%) | |
| Adenocarcinoma | 181 (34) |
| Squamous cell carcinoma | 236 (45) |
| Small cell carcinoma | 54 (10) |
| Others | 58 (11) |
| Treatment modalities, n (%) | |
| Chemotherapy | 373 (74) |
| Radiotherapy | 294 (58) |
| Surgery | 210 (42) |
| No treatment | 16 (3) |
| Missing | 25 (5) |
| 8th TNM staging system, n (%) | |
| I | 104 (19) |
| IIA | 25 (5) |
| IIB | 67 (13) |
| IIIA | 119 (23) |
| IIIB | 134 (25) |
| IIIC | 80 (15) |
| 9th TNM staging system, n (%) | |
| I | 104 (19) |
| IIA | 34 (7) |
| IIB | 65 (12) |
| IIIA | 112 (22) |
| IIIB | 134 (25) |
| IIIC | 80 (15) |
| SD: Standard Deviation |