Use of diabetes technology has dramatically increased and glycemic control has improved among people with type 1 diabetes (T1D) in the US over the past 15 years, but at the same time, overall achievement of an A1c level < 7% remains low and socioeconomic and racial disparities have widened.

These findings came from an analysis of national electronic health records of nearly 200,000 children and adults with T1D by Michael Fang, PhD, of the Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, and colleagues. The study was published online on August 11, 2025, in JAMA Network Open .

Use of continuous glucose monitors (CGMs) increased substantially from 2009-2011 to 2021-2023, from less than 5% in both children and adults to more than 80% and over ha

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