5. ICU admissions (excluding ESRD) 576 No AKI on admission 330 (57.3% of all ICU patients) Never develop AKI 197 (34.2% of all ICU patients) Ever AKI 379 (65.8% of all ICU patients ) AKI on admission 246 (42.7% of all ICU patients) New AKI 133 (40.3% of patients without AKI on admission) Partial renal recovery* 51 (13.5% of AKI patients) Complete renal recovery* 225 (59.4% of AKI patients) No renal recovery* 103 (27.2% of AKI patients) Garzotto, F, Pasquale P, RIFLE-Based Data Collection/Management System Applied to a Prospective Cohort Multicenter Italian Study on the Epidemiology of Acute Kidney Injury in the Intensive Care Unit. 2011