Hypertension-misattributed kidney disease in African Americans Karl L. Skorecki, Walter G. Wasser  Kidney International  Volume 83, Issue 1, Pages 6-9 (January 2013) DOI: 10.1038/ki.2012.369 Copyright © 2013 International Society of Nephrology Terms and Conditions

Figure 1 Maps of distribution of APOL1 allelic variant frequency and hypertension in certain geographic regions of the African continent. Left: Contour map of allele frequency distributions of identified APOL1 risk variants in Africa. The combined risk genotype frequency given for Nigeria incorporates data extrapolated for the Yoruba population, and frequencies are likely to differ for other population groups.Right: Geographical representation of hypertension prevalence in continental Africa. (Figure adapted with permission from Rosset et al.7); (Reproduced with permission from Twagirumukiza et al.14,15) Kidney International 2013 83, 6-9DOI: (10.1038/ki.2012.369) Copyright © 2013 International Society of Nephrology Terms and Conditions