Does Obesity Protect Against Death in Sepsis? A Retrospective Cohort Study of 55,038 Adult Patients

Objectives: Observational studies suggest obesity is associated with sepsis survival, but these studies are small, fail to adjust for key confounders, measure body mass index at inconsistent time points, and/or use administrative data to define sepsis. To estimate the relationship between body mass index and sepsis mortality using detailed clinical data for case detection and risk adjustment. Design: Retrospective cohort analysis of a large clinical data repository. Setting: One-hundred thirty-nine hospitals in the United States. Patients: Adult inpatients with sepsis meeting Sepsis-3 criteria. Exposure: Body mass index in six categories: underweight (body mass index

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