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Table 1 Correlation coefficients between the five estimated glomerular filtration rate formulae in urban black men and women

From: Prevalence, concordance and associations of chronic kidney disease by five estimators in South Africa

  CKD-EPI creatinine CKD-EPI cystatin C CKD-EPIcr-cys Cockcroft-Gault MDRD
Total
 CKD-EPI creatinine 1 0.460 0.453 0.681 0.814
 CKD-EPI cystatin C 0.460 1 0.994 0.341 0.473
 CKD-EPIcr-cys 0.453 0.994 1 0.335 0.477
 Cockcroft-Gault 0.681 0.341 0.335 1 0.779
 MDRD 0.814 0.473 0.477 0.779 1
Men
 CKD-EPI creatinine 1 0.368 0.366 0.796 0.863
 CKD-EPI cystatin C 0.368 1 0.996 0.407 0.443
 CKD-EPIcr-cys 0.366 0.996 1 0.403 0.440
 Cockcroft-Gault 0.796 0.407 0.403 1 0.839
 MDRD 0.863 0.443 0.440 0.839 1
Women
 CKD-EPI creatinine 1 0.525 0.510 0.702 0.790
 CKD-EPI cystatin C 0.525 1 0.995 0.403 0.496
 CKD-EPIcr-cys 0.510 0.995 1 0.404 0.502
 Cockcroft-Gault 0.702 0.403 0.404 1 0.817
 MDRD 0.790 0.496 0.502 0.817 1
  1. CKD-EPIcr-cys CKD-EPI creatinine-cystatin C, MDRD Modification of Diet in Renal Disease
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