Diabetes complications

Review of the relationship between deficiency of Glucose-6-phosphate dehydrogenase deficiency and diabetes and its complications

Diabetes Res Clin PractPublished Systematic review

Authors' conclusion

Consistent evidence indicates a higher risk of complications associated with G6PD deficiency and diabetes, though associations with diabetes onset remain inconsistent.

Study context

Population
Primary studies on G6PD deficiency and diabetes; PubMed, Cochrane Library and Embase searched to August 10th, 202642 studies
Comparison
G6PD deficiency vs no G6PD deficiency in diabetes
Methodological detailstwo independent reviewers, Two reviewers independently searched databases, resolving discrepancies by discussion
  • Two independent reviewers
  • Two reviewers independently searched databases, resolving discrepancies by discussion

Pooled result

As reported in the abstract

  • G6PD deficiency was more prevalent in T2D patients than in the general population
  • Diagnostic complications identified, including artificially reduced HbA1c
  • Specific G6PD variants associated with increased risk and severity of diabetes-associated retinopathy
  • G6PD deficiency linked to increased risk of MI, stroke and arterial stiffness

Original publication

Review of the relationship between deficiency of Glucose-6-phosphate dehydrogenase deficiency and diabetes and its complications. Diabetes Res Clin Pract. Published 19 September 2026. doi:10.1016/j.diabres.2026.113567

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