Observational studyHormone research in paediatrics2026
Increasing Contribution of Adolescent Type 1 Diabetes Drives Incidence Rates in Poland: A 40-Year-Long Observational Study.
Observational study in Hormone research in paediatrics, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers, 1 of them a synthesis that pooled it.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
2 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Polish Recommendations for the Early Detection of Type 1 Diabetes in the Pediatric Population: A Position Statement of the Polish Society of Pediatric Endocrinology and Diabetology and the Pediatric Section of the Diabetes Poland 2026.Hormone research in paediatrics · 2026Guideline
- Persistently increased frequency of diabetic ketoacidosis in new-onset type 1 diabetes in Polish children: nationwide analysis 2019-2022.Frontiers in endocrinology · 2026Article
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Authors and funding
13 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
introductionThe incidence of childhood type 1 diabetes (T1D) has increased globally in recent decades. Analyzing incidence trends can elucidate patterns and predict future healthcare burdens. We aimed to assess changes in the incidence and prevalence of pediatric type 1 diabetes over 40 years in Central Poland.
methodsThis prospective observational study in Lodz Province registered all new-onset type 1 diabetes cases in children 0-14 years old admitted from 1983 to 2022 to reference centers for pediatric diabetes. Diagnoses were based on established guidelines, and other types of diabetes were excluded. Population data were obtained from Poland's General Statistical Office.
resultsThe incidence rate of type 1 diabetes increased tenfold, from 3.29/100,000 (95% CI: 1.85-4.73) in 1983 to 32.43 (26.42-38.44) in 2022, with an annual percentage change of 5.73% (4.99%-6.44%) and two distinct increase periods: rapid in 1983-2005 (7.38% [6.30-10.52%]) and slower in 2005-2022 (3.65% [-0.86-5.13%]). Incidence rates in 0-4-year-olds were significantly lower than in 5-9 and 10-14-year-olds (p < 0.0001). While incidence plateaued in the 0-4-year-olds after 2007, it consistently increased in older children. Most new cases were diagnosed in winter (December-February, a mean difference from the remaining seasons of 29 ± 11.6% points, p < 0.0001). The prevalence of type 1 diabetes increased, reaching 177.21/100,000 (163.18-191.24) in 2022.
conclusionsOver the past 40 years, the incidence of pediatric type 1 diabetes in Central Poland has increased significantly, though the rate is slowing. Most new cases occur in children 10 years old and older, so healthcare systems should adapt to young adults who are extensive users of new diabetes technologies.
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