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Table 3 Patients classified according to RIFLE (Risk, Injury, Failure) glomerular filtration rate criteria

From: Population-based incidence, mortality and quality of life in critically ill patients treated with renal replacement therapy: a nationwide retrospective cohort study in finnish intensive care units

  All (N= 24,904) RRT (N= 1,686) RRT, before* Non-RRT (N= 23,218)
No AKI 15,589 (73.4%) 219 (16.4%) 147 (19.8%) 15,370 (77.2%)
Risk 2,198 (10.3%) 100 (7.5%) 62 (8.4%) 2,098 (10.5%)
Injury 1,712 (8.1%) 244 (18.2%) 150 (20.2%) 1,468 (7.4%)
Failure 1,752 (8.2%) 776 (58.0%) 383 (51.6%) 976 (4.9%)
No data 3,653 (14.7%) 347 (20.6%) 944 (56%) 3,306 (14.2%)
  1. AKI, Acute kidney injury; RRT; renal replacement therapy, non-RRT; patients without renal replacement therapy *RIFLE class before the initiation of RRT