From: Creatinine-or cystatin C-based equations to estimate glomerular filtration in the general population: impact on the epidemiology of chronic kidney disease
MDRD
CKD-EPI
CKD-EPI Cys
CKD-EPI Mix
All (n = 4189)
13
9.8
4.7
5
>90 mL/min/1.73 m2
22.1
33
63.2
48.9
60–89 mL/min/1.73 m2
64.8
57.2
32
46.1
30–59 mL/min/1.73 m2
12.9
9.6
4.5
4.8
<30 mL/min/1.73 m2
0.2
0.3