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New proposed metric - GMI & Calculator

IDC, JAEB and others have proposed, in a soon to be released paper, a new standard metric term called GMI (Glucose Management Indicator). On the AGP report we calculate it for you (upper left corner), but if you want to try it out - see link to the JAEB calculator (right).

GMI is an estimate of A1c based on average glucose, ideally based on 14 or more days of glucose data, from a period of time when you are doing your "normal" diabetes self care. Trust us when we tell you not to use your average glucose from your vacation cruise (we know the dessert buffet is hard to resist). The GMI may be the same, higher, or lower than a lab A1c for a lot of reasons; how your body reacts to glucose, how long your red blood cells live, or even if you have been sick, stressed, or on vacation. GMI is a quick way to see approximately what your lab A1c would be in the future if you kept doing what you have been doing over the past 2 weeks for another 3 months.


Scientific description from the authors: "Glucose Management Indicator (GMI) - indicates the average A1C level that would be expected based on mean glucose measured in a large number of individuals with diabetes. Mean glucose ideally is derived from at least 14 days of CGM data. The GMI may be similar to, higher than, or lower than the laboratory A1C. Differences between the GMI and the laboratory-measured A1C may reflect differences among individuals in the lifespan of red blood cells or how glucose binds to red blood cells or could occur due to a recent, short term fluctuation in glucose control."


International Diabetes Center (Creators of the AGP):

Our mission is to ensure that every person with diabetes or at risk for diabetes receives the best possible care. IDC provides world-class diabetes care, education, publications and research that meet the needs of people with diabetes and their families. We hope to shape the community – and the world – to help people live well with diabetes.

More about the International Diabetes Center
Continuing Medical Education
International Diabetes Center Publishing

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