Variation in the hemoglobin glycation index

James M Hempe1, Daniel S Hsia2

  • 1Department of Pediatrics, Louisiana State University Health Sciences Center, New Orleans, LA, USA.

A high hemoglobin glycation index (HGI) has been repeatedly associated with greater risk for hypoglycemia in people with diabetes and greater risk for chronic vascular disease in people with or without diabetes. This review explores how different sources of analytical and biological variation in HbA1c and blood glucose individually and collectively affect the clinical information value of HGI. We conclude that HGI is a complex quantitative trait that is a clinically practical biomarker of risk for both hypoglycemia and chronic vascular disease.

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