Objective: To examine predictors of spirometry use at a tertiary academic health system and association between receipt of spirometry and outcomes.
Patients And Methods: We conducted a retrospective cohort study of adult patients with an ICD-9 CM diagnostic code for asthma and a 2014 outpatient visit in either a community health center or private practice associated with a tertiary academic medical center. The main outcome was receipt of spirometry during a 2007-2015 "exposure period.
Objective: To examine racial differences of clinical features, medication usage, and comorbidities of patients with ankylosing spondylitis (AS) in the United States.
Methods: In the Explorys database, 28,520 patients with AS were identified. Data were stratified by 2 rheumatology visits, race, sex, clinical characteristics, medication use, and comorbidities.