Differences in community, hospital and intensive care unit-acquired acute kidney injury: observational study in a nephrology service of a developing country.

Background: Acute kidney injury (AKI) complicates more than 7% of all in-hospital patients. The aim of this study is to investigate the differences in community, hospital and intensive care unit-acquired AKI in patients undergoing nephrology consultation in a tertiary hospital in a developing country.

Methods: An observational cohort study of all patients with AKI admitted to the General Hospital of Fortaleza, Brazil was conducted.