Impact of prior bariatric surgery on outcomes of hospitalized patients with systemic lupus erythematosus: a propensity score-matched analysis of the U.S. nationwide inpatient sample

Systemic lupus erythematosus (SLE) is an autoimmune disease that primarily affects young women, has many different manifestations, and the disease severity can wax and wane. This study aims to determine the association between prior bariatric surgery and SLE outcomes. A population-based, retrospective study using data from the U.S. Nationwide Inpatient Sample (NIS) database between 2005 and 2018. Data of hospitalized patients with SLE and morbid obesity were extracted. Exclusion criteria were age