Total 2002~2016 | N = 15,729 |
---|---|
Etiology | |
 Idiopathic | 5036 (32.0) |
Post-infection | |
 Tuberculosis | 1950 (12.4) |
 Pneumonia | 3766 (23.9) |
Immunodeficiencies | 206 (1.3) |
COPD | 2287 (14.5) |
Asthma | 1664 (10.6) |
Connective tissue disease | 367 (2.3) |
GERD | 399 (2.5) |
Othera | 54 (0.3) |