Abstract
The Dexcom G7 continuous glucose monitor is labeled for 10 days of wear. We assessed the real-world duration of Dexcom G7 sensor wear in youth with type 1 diabetes (T1D) in this single-center retrospective cohort study. Median duration of sensor wear was calculated for youth using ≥3 sensors over a 93-day period (May 13, 2024, to August 13, 2024). Overall, 643 unique individuals (15.1 years, 45.1% female, 66.3% non-Hispanic White, 60.2% privately insured, 4.9 years T1D duration) wore 5055 sensors over the 93 days. The median sensor wear time was 8.6 days (interquartile range 7.3, 9.6). Wear time was <7.0 days for 24.8% of sensors, and just 39.9% of sensors were worn for ≥10.0 days. In summary, the real-world duration of Dexcom G7 sensor wear is <10 days for most youth with T1D. Whereas people with diabetes typically receive 36 sensors per year, with a median wear time of 8.6 days, youth would require 43 sensors or more to allow for continuous use.
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