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. 2015 Dec 15;5:50. doi: 10.1186/s13613-015-0076-6

Table 1.

Classification criteria for staging of AKI

AKI KDIGO stage Number Classification criterion for AKI stage
Increase of serum creatinine Decrease of diuresis or RRT
1 13 (21.7 %) 8 5
2 1 (1.7 %) 1 0
3 5 (8.3 %) 0 5
All (1–3) 19 (31.7 %) 9 10