Epidemiological Trends and Seasonal Patterns in Childhood Type 1 Diabetes: Insights From 2001 to 2024 in Lithuania
Authors' conclusion
This study demonstrates a rapidly increasing incidence of T1D in Lithuanian children over a 24-year period and is one of the highest in European countries. The seasonal distribution of new cases has been speculated to be due to reduced sunlight exposure and lower vitamin D levels, as well as increased school related stress and viral infections during autumn and winter months. However, additional contributing factors are likely involved, underscoring the need for further research.
Study context
- Population
- Children <15 years with T1D in Lithuania, 2001–20241,181 boys
- Participants
- 2,369 children
- Outcome
- Annual T1D incidence rates per 100,000 children <15 years
- Follow-up
- 2001-2024
Methodological details24-year trend analysis
- 24-year trend analysis
Main finding
As reported in the abstract
Mean IR per 100,000 <15 years
21.4
95% CI 20.89, 27.28
Observational data: associations, not effects.
Further findings
Incidence trend by age subgroup
- Most rapid increase in young teenagers (10-14 years)
Seasonality of diagnosis
- New cases diagnosed from September to March
- 63.5%
Original publication
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