Change in Age of Diagnosis and Demographics of Type 1 Diabetes Mellitus During the COVID‐19 Era
Main finding · Average age at diagnosisResult — go to the resultIncrease 0.7 yearsAuthors' conclusion
Average age at diagnosis in our cohort increased since the start of COVID-19, contradicting previous studies and our hypothesis.
Study context
- Population
- Pediatric patients diagnosed with T1DM
- Participants
- 698 patients
- Exposure
- During COVID-19 vs pre-COVID-19
- Outcome
- Age at diagnosis of T1DM
Methodological detailsretrospective chart review
- Retrospective chart review
Main finding
Average age at diagnosis
Increase
0.7 years
P = 0.025
As reported in the abstract
- Significant difference in distribution of age groups between the two periods
- P = 0.0065
Observational data: associations, not effects.
Further findings
| Outcome | Times more likely |
|---|---|
| DKA at presentation | 1.6 |
New cases
- New diagnoses aged 13-18 years increasing before 2020, then leveling out
- 7%-23%
- More patients diagnosed during COVID-19
- Significant decrease in new cases aged 2-5 years from 2017 to 2020, reverting to previous rates by 2022
Hemoglobin A1c (HbA1c)
- No significant change in HbA1c
Thyroperoxidase (TPO) antibody positivity
- No significant change in TPO antibody positivity
Elevated TTG-IgA
- Significant decrease from pre-COVID to post-COVID
- P = 0.018
Original publication
Change in Age of Diagnosis and Demographics of Type 1 Diabetes Mellitus During the COVID‐19 Era. Pediatr Diabetes. Published 16 October 2025. doi:10.
Composed by AI from the published abstract and checked against it. How Briefs are made →