How does the incidence of acute kidney injury (AKI) vary between the three main classification systems?

Updated: Aug 07, 2018
  • Author: Piper Julie Hughes, MD, MS; Chief Editor: Vecihi Batuman, MD, FASN  more...
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Answer

Answer

In a cohort of 14,795 hospitalized children, 7712 children were diagnosed with AKI according to at least one of the three definitions. A total of 5406 (70%) children were diagnosed by all three definitions. Differences in the definitions resulted in the following variances [12] :

  • 1720 were diagnosed by RIFLE alone
  • 427 were diagnosed by RIFLE and KDIGO but not AKIN
  • 153 were diagnosed by KDIBO and AKIN but not by RIFLE
  • 6 were diagnosed by KDIGO alone

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