Figure 1From: Clinical review: RIFLE and AKIN – time for reappraisalRIFLE and AKIN classifications for acute kidney injury. Risk–Injury–Failure–Loss–Endstage renal disease (RIFLE) and Acute Kidney Injury Network (AKIN) classifications for acute kidney injury (adapted from [6, 7]). ARF, acute renal failure; Cr, creatinine; GFR, glomerular filtration rate.Back to article page