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Table 6 Mortality or dialysis in AKICr and urine output at a threshold of 0

From: The urine output definition of acute kidney injury is too liberal

Urine output Mortality or dialysis, n(%)a Relative riskb (95% CI)
  No-AKICr AKICr No-AKICr AKICr
≥0.30 ml/kg/hour (UO≥0.3) 355 161   
Mortality or dialysis 27 (7.6) 24 (14.9) 1 (referent) 1.96 (1.76 to 2.05)
<0.30 ml/kg/hour (UO<0.3) 92 117   
Mortality or dialysis 23 (25.0) 53 (45.2) 3.29 (2.77 to 3.63) 5.96 (5.05 to 6.92)
  1. AKICr, acute kidney injury by the creatinine definition; CI, confidence interval; UO≥0.3, urine output ≥0.3 ml/kg/hour averaged over 6 hours; UO<0.3, urine output <0.3 ml/kg/hour averaged over 6 hours. aNumber (percentage) of mortality or dialysis in each group. bRelative risk of mortality or dialysis to the referent group of No-AKICr and UO≥0.3