Inhaled corticosteroid nonadherence and immediate avoidable medical eventsin older adults with chronic pulmonary ailments

This study examined the association between nonadherence to inhaled cortico steroids and risk of an immediate avoidable medical event (emergency depart ment visit and hospitalization) in elderly patients with chronic pulmonary ailments. The study comprised a cross-sectional analysis comparing patients with and without avoidable medical event occurrence in each year for adher ence preceding the event, and a case-crossover analysis examining the same patient's adherence in years with and without events. The cross-sectional s tudy showed risk odds reductions of nearly 20% in the partially adherent pa tient, and 40% in the adherent patient compared to the nonadherent patient, after controlling for potential group differences.