Original Article

Mortality in Asthma-Chronic Obstructive Pulmonary Disease Overlap in the United States

Objectives: Asthma-chronic obstructive pulmonary disease (COPD) overlap (ACO) is recognized increasingly as a distinct clinical entity and is associated with higher comorbidities compared with patients with asthma and COPD alone. Little is known about the leading causes of death related to ACO in the US general population, however. Our aim…