Table 1.
Patient characteristics.
| Variables | N = 81 |
|---|---|
| Age, years | |
| Average (range) | 62.5 (35–84) |
| Gender, n (%) | |
| Male | 54 (66.7) |
| Female | 27 (33.3) |
| Smoking history, n (%) | |
| Current | 22 (27.2) |
| Former | 7 (8.6) |
| Never | 52 (64.2) |
| Lesion size, n (%) | |
| ≤30 mm | 22 (27.2) |
| >30 mm | 59 (72.8) |
| Biopsy location showed by EBUS, n (%) | |
| Central | 64 (79.0) |
| Peripheral | 17 (21.0) |
| Atypical cells in BWF_Pre, n (%) | |
| Yes | 39 (48.1) |
| No | 42 (51.9) |
| Histologic type, n (%) | |
| Adenocarcinoma | 54 (66.7) |
| Squamous cell carcinoma | 8 (9.9) |
| Adenosquamous cell carcinoma | 1 (1.2) |
| Large cell lung endocrine carcinoma | 3 (3.7) |
| Small cell lung carcinoma | 1 (1.2) |
| Non-malignancy | 14 (17.3) |
| Clinical stage, n (%) | |
| I | 8 (9.9) |
| II | 11 (13.6) |
| III | 15 (18.5) |
| IV | 33 (40.7) |
| Not applicable | 14 (17.3) |
| TKI treatment, n (%) | |
| Yes | 5 (6.2) |
| No | 76 (93.8) |
EBUS endobronchial ultrasound, BWF_Pre bronchial washing fluid precipitant, TKI tyrosine kinase inhibitor.