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G6PD deficiency delays type 2 diabetes diagnoses in Black and South Asian men, risking complications due to inaccurate HbA1c tests.
A common genetic condition, G6PD deficiency, may be delaying type 2 diabetes diagnoses in Black and South Asian men in the UK, increasing their risk of serious complications like kidney, eye, and nerve damage, according to a study of over 510,000 people.
The condition, which affects red blood cells, can cause standard HbA1c tests to show falsely low blood sugar readings, leading to missed or delayed diagnoses.
About one in seven Black men and one in 63 South Asian men have the deficiency—far more than white men—yet fewer than one in 50 affected individuals are currently recognized.
Experts warn that reliance on HbA1c testing may worsen existing health disparities, as these groups are already twice as likely to have undiagnosed diabetes and face worse outcomes, urging routine screening and updated testing protocols to ensure equitable care.
La deficiencia de G6PD retrasa el diagnóstico de diabetes tipo 2 en hombres negros y del sur de Asia, con riesgo de complicaciones debido a pruebas inexactas de HbA1c.