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Screening for Prediabetes and Type 2 Diabetes

Screening for Prediabetes and Type 2 Diabetes

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Summary / Abstract:

According to the Centers for Disease Control and Prevention 2020 National Diabetes Statistics Report, an estimated 13% of all US adults (18 years or older) have diabetes, and 34.5% meet criteria for prediabetes. The prevalence of prediabetes and diabetes are higher in older adults. Of persons with diabetes, 21.4% were not aware of or did not report having diabetes, and only 15.3% of persons with prediabetes reported being told by a health professional that they had this condition. Estimates of the risk of progression from prediabetes to diabetes vary widely, perhaps because of differences in the definition of prediabetes or the heterogeneity of prediabetes. A large cohort study of 77 107 persons with prediabetes reported that the risk of developing diabetes increased with increasing hemoglobin A1c (HbA1c) level and with increasing body mass index (BMI).

Diabetes is the leading cause of kidney failure and new cases of blindness among adults in the US. It is also associated with increased risks of cardiovascular disease (CVD), nonalcoholic fatty liver disease, and nonalcoholic steatohepatitis and was estimated to be the seventh leading cause of death in the US in 2017. Screening asymptomatic adults for prediabetes and type 2 diabetes may allow earlier detection, diagnosis, and treatment, with the ultimate goal of improving health outcomes.

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