Recent Improvements in Attainment of the Hemoglobin A1c Target of ≤7.0% Among Adults with Type 1 Diabetes in Ontario: A Retrospective Cohort Study
Main finding · Model-estimated probability of meeting HbA1c target ≤7.0%Result — go to the resultAge- and sex-adjusted OR 1.87 95% CI 1.79–1.96Authors' conclusion
One-third of adults with type 1 diabetes in Ontario met the recommended HbA1c target of ≤7.0% in 2023, with improvement noted since 2021, which may be due to advanced technologies or effects of the COVID-19 pandemic.
Study context
- Population
- Ontarians with T1D ≥18 years old with ≥1 hemoglobin A1c (HbA1c) test between April 1, 2012 and March 31, 2023; 49.9% female, 62.4% pump users, median age 25 years, median diabetes duration 12 years474,714 HbA1c tests
- Participants
- 28,827 participants
- Exposure
- Fiscal year 2023 vs 2013
- Outcome
- Attainment of the HbA1c target of ≤7.0%
Methodological detailsadministrative data, generalized estimating equations
- Administrative data
- Generalized estimating equations
Main finding
As reported in the abstract
Model-estimated probability of meeting HbA1c target ≤7.0%
Age- and sex-adjusted OR
1.87
95% CI 1.79–1.96
By group
2023vs 2013
age- and sex-adjusted OR 1.87 (95% CI 1.79–1.96)
Observational data: associations, not effects.
Further findings
Factors associated with meeting HbA1c target
- Young adults (18-25 years), DKA, greater comorbidity and care from a nonspecialist physician associated with reduced odds of meeting target
Original publication
Recent Improvements in Attainment of the Hemoglobin A1c Target of ≤7.0% Among Adults with Type 1 Diabetes in Ontario: A Retrospective Cohort Study. Diabetes Technol Ther. Published 8 April 2024. doi:10.
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