What is the racial predilection of glucose-6-phosphate dehydrogenase (G6PD) deficiency?

Updated: Jun 25, 2020
  • Author: Lawrence C Wolfe, MD; Chief Editor: George T Griffing, MD  more...
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Answer

G6PD deficiency affects all races, although the severity of G6PD deficiency varies significantly among racial groups. The highest prevalence is among the people of African, Asian, or Mediterranean descent. Variants producing severe deficiency primarily occur in the Mediterranean population. African populations have milder hemolysis due to higher enzyme levels.


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