Mortality association between obesity and pneumonia using a dual restricted cohort model

An obesity survival paradox has been reported among obese patients with pneumonia. To determine the impact of obesity on pneumonia outcomes and analyze the correlation between in-hospital all-cause mortality and obesity among patients with pneumonia. The United States Nationwide Readmissions Database (NRD) was retrospectively analyzed for patients with pneumonia from 2013 to 2014. We used a step-wise restricted and propensity score matching...