From: Creatinine-or cystatin C-based equations to estimate glomerular filtration in the general population: impact on the epidemiology of chronic kidney disease
Whole (n = 4208)
50-59 (n = 1455)
60-69 (n = 1812)
70-79 (n = 919)
80-89 (n = 21)
MDRD
13
6
12.9
23.7
47.6
CKD-EPI
9.8 *
3.2 *
9 *
20.8
CKD-EPI Cys
4.7 *$
1 *$
3.6 *$
12.1 *$
33.3
CKD-EPI mix
5 *$
0.8 *$
4.4 *$
38.1