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. 2011 Jan 19;26(9):2786–2792. doi: 10.1093/ndt/gfq773

Appendix 2.

Correlation coefficients for eGFRs by equation in participants aged ≥60 years (n = 2609)^a

	MDRD	CKD-EPI	Cystatin C single variable	Cystatin C multivariable	Cystatin C/creatinine
CKD-EPI	0.96
Cystatin C single variable	0.72	0.76
Cystatin C multivariable	0.73	0.76	0.98
Cystatin C/creatinine	0.94	0.94	0.91	0.92

^a

P-value <0.001 for all correlations.