Data are presented as frequency (%) and mean with standard deviation.
COPD, chronic obstructive pulmonary disease
*Asthma-related medication included inhaled corticosteroid (32%), long-acting β2 agonist (19.1%), short-acting β2 agonist (34.8%), and leukotriene receptor antagonist (35.7%).
TABLE 2. The effects of asthma and its coexisting respiratory comorbidities on mortality in patients with asthma compared with subjects without asthma