Clinical Immunology: In Practice study examined care that patients with severe asthma received following events indicating uncontrolled disease (EUD) The authors also examined factors that are associated with social disparities. An uncontrolled severe asthma index date was assigned depending on severity of each EUD: 1 or more asthma-related hospitalizations (most severe); 2 or more respiratory tract cancer-related, non-ED outpatient visits within 12 months each followed by an SCS burst within 7 days following the visit. In the post-index period, approximately