From: Influence of acute kidney injury on short- and long-term outcomes in patients undergoing cardiac surgery: risk factors and prognostic value of a modified RIFLE classification
RIFLE class
1-year
2-years
3-years
4-years
5-years
6-years
7-years
8-years
9-years
Risk
88%
84%
82%
77%
75%
73%
72%
68%
Injury
55%
48%
46%
45%
42%
39%
Failure
30%
25%
24%
23%
20%