From: Asthma exacerbations in a subtropical area and the role of respiratory viruses: a cross-sectional study
Variables
IRR
95% CI
p-value
≥ 3 visits for asthma, 12 months
1·40
1·01–1·95
0·04
Nonadherence to inhaled corticosteroids
4·87
2·43–9·76
< 0·01