Ongoing Increase in Incidence of Diabetes in Austrian Children and Adolescents (1989–2021): Results from a Nationwide Registry
Authors' conclusion
The incidence of T1D in Austrian children <15 years is still increasing and showed a peak in 2021. For the first time, a significant increase in pediatric T2D was observed in Austria.
Study context
- Population
- Children aged <15 years in Austria, 1989–2021case ascertainment 97%
- Outcome
- Time trends of age-standardized incidence of T1D and T2D (annual percent changes (APCs) by joinpoint analysis)
- Follow-up
- 1989–2021
Methodological detailsnationwide prospective registry, joinpoint analysis
- Nationwide prospective registry
- Joinpoint analysis
Main finding
As reported in the abstract
Diabetes incidence trends
T1D incidence peak in 2021 (per 100,000 person years)
28.7
T1D APC 2011–2020 (plateau), 95% CI [−0.99, 2.58], p = 0.379
0.78
T1D APC 1989–2011 (steep increase), 95% CI [3.94, 5.19], p < 0.001
4.6
T2D APC over observation period (significant constant increase), 95% CI [0.76, 6.26], p = 0.014
3.47
Observational data: associations, not effects.
Further findings
Age-specific T1D incidence development
- Age-specific differences in T1D incidence development were observed
Other forms of diabetes vs T2D
- Other forms of diabetes two times more common than T2D
Original publication
Ongoing Increase in Incidence of Diabetes in Austrian Children and Adolescents (1989–2021): Results from a Nationwide Registry. Pediatr Diabetes. Published 18 August 2023. doi:10.
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