Inactive allergic bronchopulmonary aspergillosis | 11 (34.4) |
Burnt out sarcoidosis | 1 (3.1) |
Post infective (pneumonia, tuberculosis, pertussis, measles) | 10 (31.3) |
Ig deficiency (all IgG subclass 2) | 4 (12.5) |
Ciliary dyskinesia | 1 (3.1) |
Idiopathic | 5 (15.6) |
Data are presented as n (%). Ig: immunoglobulin.