Table 2.
Characteristics of patients included
| No. of patients | 815 |
| Age (range) | 66 (16-85) |
| Gender (male %) | 475 (76.8) |
| Site of bronchoscopic sampling (%) | |
| Trachea | 3 (0.36) |
| Main bronchus | 56 (6.9) |
| Lobar bronchus | 443 (54.4) |
| Segmental bronchus | 187 (22.9) |
| Peripheral lesion | 126 (15.5) |
| Bronchoscopic appearance (%) | |
| Tumor | 296 (36.3) |
| Infiltrative | 155 (19.0) |
| Necrotic | 49 (6.0) |
| Compressive | 101 (12.4) |
| Nonspecific | 79 (9.6) |
| Normal | 135 (16.5) |
| Histological type (%) | |
| Non-small-cell carcinoma | 689 (84.6%) |
| Squamous cell carcinoma | 286 (35.1%) |
| Adenocarcinoma | 352 (43.2%) |
| Other Non-small-cellcarcinoma | 51 (6.3%) |
| Small-cell carcinoma | 110 (13.5%) |
| Unclassified carcinoma | 16 (1.9%) |