Table 5.
Comparison of EBTB by sex according to bronchoscopic features
| Bronchoscopic features | Overall (n = 233) | Males (n = 107) | Females (n = 126) | P-value |
|---|---|---|---|---|
| Type of EBTB | ||||
| Actively caseating (%) | 114 (48.9) | 37 (35.2) | 77 (62.6) | 0.003 |
| Other types (%) | 119 (51.1) | 68 (64.8) | 46 (37.4) | |
| Length of involvement (mm) (±SD) | 24.31 (±21.8) | 19.05 (±16.5) | 29.19 (±25.0) | 0.485 |
| Central airway involvement | 199 (85.4) | 89 (83.2) | 110 (87.3) | 0.360 |
| Trachea (%) | 38 (16.3) | 16 (15.0) | 22 (17.5) | |
| Main bronchi (%) | 58 (24.9) | 21 (19.6) | 37 (29.4) | |
| Lobar bronchi (%) | 103 (44.2) | 52 (48.6) | 51 (40.4) | |
| Level of involvement | ||||
| Single (%) | 151 (65.0) | 75 (70.7) | 76 (60.3) | 0.097 |
| Multiple (%) | 81 (35.0) | 31 (29.3) | 50 (39.7) | |
| Stenosis grade in central EBTB | ||||
| Grade 1 (%) | 138 (70.1) | 69 (79.3) | 69 (62.7) | 0.009 |
| Grade 2 or 3 (%) | 59 (29.9) | 18 (20.7) | 41 (37.3) |
EBTB, endobronchial tuberculosis; SD, standard deviation.