TABLE 1. KDIGO CLASSIFICATION FOR ACUTE KIDNEY INJURY.

Stage	Serum creatinine (Cr)	Score the largest deviation (diuresis or creatinine)	Hourly diuresis
1	↑ ≥ 0,3 mg/dl in 48h or ↑ 1,5-1,9 x Cr within 7 days	or	< 0,5 mL/kg/h for 6-12h
2	↑ 2,0-2,9 x Cr of baseline	or	< 0,5 mL/kg/h for ≥ 12h
3	↑ ≥ 3,0 x Cr of baseline or ↑ Cr ≥ 4,0 mg/dl or RRT	or	< 0,3 mg/kg/h for ≥ 24h or Anuria ≥ 12 h