Risk for ESRD among elderly patients with acute kidney injury (AKI) has not been studied in
a large, representative sample. This study aimed to determine incidence rates and hazard
ratios for developing ESRD in elderly individuals, with and without chronic kidney disease
(CKD), who had AKI. In the 2000 5% random sample of Medicare beneficiaries, clinical
conditions were identified using Medicare claims; ESRD treatment information was obtained
from ESRD registration during 2 yr of follow-up. Our cohort of 233,803 patients were …