Characteristics of the cohort
| Age (y)a: | 66.2 (±10.9) | 252 |
| Sex: n (%) | ||
| Female | 135 (53.6) | |
| Male | 117 (46.4) | 252 |
| Smoking: n (%) | ||
| Never | 29 (11.5) | |
| Former | 139 (55.2) | |
| Current | 84 (33.3) | 252 |
| Chronic bronchitis: n (%) | 31 (12.6) | 245 |
| Emphysema: n (%) | 41 (16.7) | 245 |
| BMIa: | 26.4 (±4.9) | 237 |
| ECOG performance: n (%) | ||
| Status 0–2 | 240 (96.5) | |
| Status 3–4 | 9 (3.5) | 249 |
| Histology: n (%) | ||
| Adenocarcinoma | 136 (53.9) | |
| Squamous cell | 33 (13.1) | |
| Large cell | 17 (6.8) | |
| NSCLC (NOS/mixed) | 66 (26.2) | 252 |
| Stage: n (%) | ||
| I | 48 (19.1) | |
| II | 10 (4.0) | |
| III | 69 (27.4) | |
| IV | 124 (49.5) | 252 |
| Therapy: | ||
| Surgery: n (%) | 105 (41.7) | 252 |
| Chemotherapy: n (%) | 191 (75.8) | 252 |
| Radiation: n (%) | 76 (30.2) | 252 |
Abbreviation: NOS, not otherwise specified.
↵aMean ± SD presented.