Population-Based Study on the Implementation of Flash Glucose Monitoring and Severe Hypoglycemia in Adults With Type 1 Diabetes
Authors' conclusion
The implementation of FGM systems in a public health care system as a provision for adults with T1DM was associated with significant reductions in the rate of severe hypoglycemic events that required urgent EMS care.
Study context
- Population
- Adults with T1D who initiated flash glucose monitoring (FGM) in Andalucia, Spain, Jan 1, 2020 to Dec 31, 2021; mean age 43.7 ± 13.5 years
- Participants
- 13,616 adults
- Exposure
- After vs before initiation of flash glucose monitoring
- Outcome
- Severe hypoglycemia (confirmed blood glucose <70 mg/dL requiring urgent dispatch of an emergency medical service for onsite management), population incidence rate
- Follow-up
- 12 months before and after FGM initiation
Methodological detailsregional dataset, 12 months before vs after FGM initiation
- Regional dataset
- 12 months before vs after FGM initiation
Main finding
Severe hypoglycemia requiring urgent emergency medical service (EMS) care
Rate-ratio
0.72
CI 0.66–0.80
Events by group
Between After FGM and Before FGM
rate-ratio 0.72 (CI 0.66–0.80)
As reported in the abstract
Observational data: associations, not effects.
Further findings
Severe hypoglycaemia rate, aged ≥60 years
- Reduction in hypoglycaemia after vs before FGM, aged ≥60 years: rate-ratio
- 0.40 [0.28; 0.55]
- Reduction significant
Severe hypoglycaemia rate, males
- Reduction in hypoglycaemia after vs before FGM, males: rate-ratio
- 0.64 [0.56; 0.72]
- Reduction significant
Overall median HbA1c
- Reduction in overall median HbA1c
- −0.35% (95% CI [−0.38; −0.33], P < 0.001)
Original publication
Population-Based Study on the Implementation of Flash Glucose Monitoring and Severe Hypoglycemia in Adults With Type 1 Diabetes. Diabetes Technol Ther. Published 4 July 2024. doi:10.
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