Disparities in α1-Antitrypsin Deficiency Testing and Treatment in US Adults
Key Points Question What factors are associated with α1-antitrypsin deficiency (AATD) testing and augmentation therapy among individuals with chronic obstructive pulmonary disease (COPD) and/or asthma? Findings In this cohort study of more than 2 million individuals with COPD and/or asthma, only 5.8% underwent AATD tes...