Correlation Between A1c (A1c) and Continuous Glucose Monitor Time in Range in a Cohort of Pediatric Patients with Type 1 Diabetes
Authors' conclusion
TIR correlates with A1c in children with type 1 diabetes.
Study context
- Population
- Patients with T1D aged <22 years with ≥70% continuous glucose monitoring (CGM) usage, 2018 through 2020
- Participants
- 2,393 patients
- Outcome
- Association between HbA1c and TIR (70-180 mg/dL)
Main finding
As reported in the abstract
Correlation coefficient, HbA1c vs TIR (linear)
−0.73
TIR lower per 1% increase in HbA1c
9.1%
R2, HbA1c vs TIR (P < 0.001)
0.55
R2, HbA1c vs mean sensor glucose (P < 0.001)
0.66
Observational data: associations, not effects.
Original publication
Correlation Between A1c and Continuous Glucose Monitor Time in Range in a Cohort of Pediatric Patients with Type 1 Diabetes. Diabetes Technol Ther. Published 12 February 2025. doi:10.
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