From: Agreement between cystatin-C and creatinine based eGFR estimates after a 12-month exercise intervention in patients with chronic kidney disease
EPIcr
EPIcr-cys
MDRDcr
EPIcys
−7.9 ± 8.6
−3.6 ± 3.7
−6.4 ± 8.4
5.3 ± 5.0
1.5 ± 3.0
− 4.0 ± 5.0