Table 4:

Other etiologies of bronchiectasis in RA-associated bronchiectasis cases

Etiology	n, % of all RA-BR cases (n=57)
History of tuberculosis	4 (7.0%)
Allergic bronchopulmonary aspergillosis	2 (3.5%)
History of nontuberculous mycobacterial infection	2 (3.5%)
Primary immunodeficiency syndrome	1 (1.8%)
Allergic bronchopulmonary aspergillosis and primary immunodeficiency	1 (1.8%)

^*There were no cases with alpha-1 antitrypsin deficiency, cystic fibrosis, or eosinophilic granulomatosis with polyangiitis