Table 3 The time trend in etiology of non-CF bronchiectasis
|  | N = 15,729 | 2002~2006 N = 6263 | 2007~2011 N = 4569 | 2012~2016 N = 4897 | p value |
|---|---|---|---|---|---|
Etiology | |||||
 Idiopathic | 5036 (32.0) | 1990(31.8) | 1533(33.6) | 1513(30.9) | 0.4752 |
Post-infection | |||||
 Tuberculosis | 1950 (12.4) | 845(13.5) | 575(12.6) | 530(10.8) | <.0001 |
 Pneumonia | 3766(23.9) | 1376(22.0) | 1102(24.1) | 1288(26.3) | <.0001 |
Immunodeficiencies | 206(1.3) | 75(1.2) | 64(1.4) | 67(1.4) | 0.4077 |
COPD | 2287(14.5) | 1038(16.6) | 584(12.8) | 665(13.6) | <.0001 |
Asthma | 1664(10.6) | 727(11.6) | 470(10.3) | 467(9.5) | 0.0004 |
Connective tissue disease | 367(2.3) | 128(2.0) | 103(2.3) | 136(2.8) | 0.0119 |
GERD | 399(2.5) | 67(1.1) | 122(2.7) | 210(4.3) | <.0001 |
Othera | 54(0.3) | 17(0.3) | 16(0.4) | 21(0.4) | 0.1574 |