Low estimated glomerular filtration rate (eGFR) increases infection risk, but its contribution to hospital-acquired infection following major surgery is unknown.
Retrospective cohort study.
Residents of Stockholm, Sweden, 18 years or older with at least 1 recorded serum creatinine measurement, no recent diagnoses of infection, and hospitalized for orthopedic, abdominal, cardiothoracic and vascular, or neurologic surgery between January 2007 and December 2011.