Table 1 |
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|
RIFLE classificationa |
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|
RIFLE class |
GFR criteria |
UO criteria |
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|
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|
Risk |
Increase in serum creatinine ≥1.5 × baseline or decrease in GFR ≥25% |
<0.5 ml/kg/hour for ≥6 hours |
|
Injury |
Increase in serum creatinine ≥2 × baseline or decrease in GFR ≥ 50% |
<0.5 ml/kg/hour for ≥12 hours |
|
Failure |
Increase in serum creatinine ≥3 × baseline or decrease in GFR ≥75% or serum creatinine ≥350 μmol/L with an acute rise of at least 44 μmol/L |
<0.3 ml/kg/hour for ≥24 hours or anuria ≥12 hours |
|
Loss |
Complete loss of kidney function >4 weeks |
|
|
End-stage kidney disease |
Need for RRT >3 months |
|
|
|
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aGFR, glomerular filtration rate; UO, urine output; RRT, renal replacement therapy. |
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Clec'h et al. Critical Care 2011 15:R128 doi:10.1186/cc10241 |
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