Table 2.
Aetiology of bronchiectasis.
| N (%) | Overall (n = 2099) | Men (n = 974) | Women (n = 1125) | p value |
|---|---|---|---|---|
| Idiopathic | ||||
| n (%) | 506 (24.1) | 189 (19.4) | 317 (28.2) | <0.001 |
| Tuberculosis | ||||
| n (%) | 386 (18.4) | 158 (16.2) | 228 (20.3) | 0.02 |
| Cystic fibrosis | ||||
| n (%) | 282 (13.4) | 154 (15.8) | 128 (11.4) | 0.004 |
| Primary immunodeficiency | ||||
| n (%) | 215 (10.2) | 114 (11.7) | 101 (9) | 0.05 |
| Infections in childhood | ||||
| n (%) | 179 (8.5) | 55 (5.6) | 124 (11) | <0.001 |
| COPD | ||||
| n (%) | 164 (7.8) | 147 (15.1) | 17 (1.5) | <0.001 |
| Asthma | ||||
| n (%) | 123 (5.9) | 42 (4.3) | 81 (7.2) | 0.007 |
| Primary ciliary dyskinesia or Young syndrome | ||||
| n (%) | 67 (3.2) | 35 (3.6) | 32 (2.8) | 0.39 |
| Aspiration and inhalation injury | ||||
| n (%) | 55 (2.6) | 24 (2.5) | 31 (2.8) | 0.78 |
| Other | ||||
| n (%) | 51 (2.4) | 22 (3.4) | 18 (1.6) | 0.012 |
| Connective tissue disease | ||||
| n (%) | 43 (2) | 14 (1.4) | 29 (2.6) | 0.09 |
| Acquired immunodeficiency | ||||
| n (%) | 28 (1.3) | 9 (0.9) | 19 (1.7) | 0.18 |
COPD: chronic obstructive pulmonary disease.