Table 1. Characteristics of the study patients.
| Characteristic | No. (%) |
|---|---|
| Age, median (range), yr | 47 (16–83) |
| Gender | 29 (82.9) |
| Male | 27 (77.1) |
| Female | 8 (22.9) |
| History of smoking | 29 (82.9) |
| History of previous tuberculosis | 11 (31.4) |
| Presence of comorbid disease | 13 (37.1) |
| Comorbidity | |
| Diabetes mellitus | 8 (22.9) |
| Silicosis | 2 (5.7) |
| Human immunodeficiency virus | 1 (2.9) |
| Rheumatoid arthritis | 1 (2.9) |
| Lung cancer | 1 (2.9) |
| Vasculitis and alveolar hemorrhage | 1 (2.9) |
| Substance addiction | 1 (2.9) |
| Duration of symptoms, median (range), day | 40 (2–365) |
| Presence of symptoms for longer than 1 month | 24 (68.6) |
| Radiological involvement | |
| 1 Lobe | 4 (11.4) |
| 2 Lobes | 6 (17.1) |
| 3 Lobes | 4 (11.4) |
| ≥4 Lobes | 21 (60.0) |
| Presence of drug resistance | 10 (28.6) |
| Single drug resistance | 3 (8) |
| Poly-drug resistance | 1 (3) |
| Multi-drug resistance | 6 (17) |