From: The assessment of renal function in relation to the use of drugs in elderly in nursing homes; a cohort study
eGFR/CRcl (ml/min/1.73 m 2)
>60
59-30
<30
Cystatin C-estimateda
114 (46.9%)
99 (40.8%)
30 (12.3%)
Cockcroft-Gaulta
66 (27.2%)
148 (60.9%)
29 (11.9%)
MDRDa
149 (61.3%)
82 (33.8%)
12 (4.9%)