The Burden of Prediabetes


Prediabetes is a condition defined by the presence of impaired fasting glucose (IFG) and/or impaired glucose tolerance (IGT) that has not yet reached the threshold for type 2 diabetes mellitus (T2D); the metabolic syndrome is also considered a prediabetes equivalent (1,2). Prediabetes raises short-term absolute risk of T2D by 3- to 10-fold (2). In the United States, 86 million people, or 37% of the US population, have prediabetes, and it is estimated that up to 70% of people with prediabetes may develop T2D during their lifetimes (3,4).

According to a National Health and Nutrition Examination Survey (NHANES) conducted in 2010, while one-third of US residents have prediabetes, only 11% have received a formal diagnosis from a physician (5). In a 2006 NHANES study, no patients reported receiving oral antihyperglycemic agents, while the percentage who received a physician recommendation for exercise or diet was 31.7% and 33.4%, respectively. Furthermore, among those diagnosed with prediabetes, 68% had tried to lose or control their weight, 60% had reduced dietary fat or calories, 55% had increased their physical activity or exercise, and 42% had engaged in all 3 activities (6).

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