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Figure 2 | BMC Nephrology

Figure 2

From: Chronic kidney diseases in mixed ancestry south African populations: prevalence, determinants and concordance between kidney function estimators

Figure 2

Chronic kidney disease (CKD) staging and cross classification of participants into 4 eGFR categories (eGFR ≥90 ml/min, 60–90 ml/min, 30–60 ml/min and <30 ml/min) using the Cockcroft-Gault (CG), 4-variable Modification of Renal Disease (4-v-MDRD) and Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equations. The three equations were compared to each other in classifying the study population into CKD stages using Cohen’s kappa statistics, and the kappa index for each comparison is indicated.

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