Table 3.

Reclassification of CKD stage on the basis of genetic ancestry versus self-reported ancestry

CKD Stage Using Self-Reported AncestryCKD Stage Using Genetic Ancestrya
123a3b45
AAsb
 1141422
 2126010
 3a2523
 3b1081
 4460
 573
HAsc
 11567
 21111705
 3a57386
 3b18152
 41058
 5272
  • a GFR calculated on the basis of genetic ancestry as follows: regardless of self-reported ancestry, if <50% African ancestry, use CKD-EPI9 for not black, and if >50% African, use CKD-EPI for black.

  • b Total number reclassified: 36 (1%).

  • c Total number reclassified: 198 (4.8%).