Incidence of urosepsis or pyelonephritis after uncomplicated urinary tract infection in older women.

Introduction And Hypothesis: Our primary aim was to describe the incidence of the diagnosis of urosepsis or pyelonephritis during the 60 days following initial evaluation of an uncomplicated urinary tract infection (UTI) among female Medicare beneficiaries ≥ 65 years of age.

Study Design: This was a retrospective cohort study of women ≥ 65 years of age undergoing evaluation for an incident, uncomplicated urinary tract infection (UTI) between the years 2011-2018 included in the Medicare 5% Limited Data Set (LDS). We grouped women into age categories of 65-74 years, 75-84 years, or > 84 years old.