State

Creatinine

Urinary volume

1

>0.3 mgl dl.

<0.5 ml/kg/h for 6 - 12 h

1.5 - 1.9 times basal creatinine

2

2.0 - 2.9 times basal creatinine

<0 - 5 ml/kg/h for >12 h.

3

3.0 times basal creatinine

<0.3 ml/kg/h for >24 h.

Creatinine greater than

Anuria for >12 h.

4.0 mg l dl

Start TRR.

Less than 18 years old TFG

<35 ml/min/1.73 m²