Table 1. Patients characteristics.
| Characteristic | N (%) |
|---|---|
| Gender | |
| Female | 30 (21.6) |
| Male | 109 (78.4) |
| Age, median, years | 64 |
| <70 | 105 (75.5) |
| ≥70 | 34 (24.5) |
| Smoking status | |
| Smoker | 133 (95.7) |
| Non-smoker | 6 (4.3) |
| T | |
| 1 | 105 (75.5) |
| 2 | 34 (24.5) |
| N | |
| 0 | 75 (54.0) |
| 1 | 64 (46.0) |
| M | |
| 0 | 132 (95.0) |
| 1 | 7 (5.0) |
| Staging | |
| IA | 93 (66.9) |
| IB | 46 (33.1) |
| Pathology type | |
| SCC | 81 (58.3) |
| AC | 40 (28.8) |
| LCC | 4 (2.9) |
| Other NSCLC | 14 (10.0) |
| Types of surgery | |
| Wedge | 2 (1.4) |
| Segmentectomy | 3 (2.2) |
| Lobectomy | 73 (52.5) |
| Bilobectomy | 8 (5.8) |
| Pneumonectomy | 47 (33.8) |
| Sleeve lobectomy | 6 (4.3) |
NSCLC, non-small cell lung cancer; SCC, squamous cell carcinoma; AC, adenocarcinoma; LCC, large cell carcinoma.