Table 1.
Main epidemiological and clinico-pathological features of the study population. EBUS: endobronchial ultrasound.
| Characteristics | n (%) | |
|---|---|---|
| 259 (100) | ||
| Age at diagnosis | Median | 69 |
| Range | 34–84 | |
| Gender | Male | 197 (76) |
| Female | 62 (24) | |
| Smoking status | Smokers | 186(72) |
| Non-smokers | 44 (17) | |
| Unknown | 29 (11) | |
| Type of specimens | Bronchial biopsy | 153 (59) |
| Transthoracic biopsy | 47 (18) | |
| Surgical specimen | 39 (15) | |
| Pleural effusion (cellblock) | 13 (5) | |
| EBUS | 7 (3) | |
| Histology | Adenocarcinoma | 250 (97) |
| Large cell carcinoma | 9 (3) | |
| pTNM stage | Stage I | 78 (30) |
| Stage II | 73 (28) | |
| Stage III | 28 (11) | |
| Stage IV | 80 (31) | |