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Trends in childhood type 1 diabetes incidence in Europe during 1989-2008: evidence of non-uniformity over time in rates of increase
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2012 (English)In: Diabetologia, ISSN 0012-186X, E-ISSN 1432-0428, Vol. 55, no 8, 2142-2147 p.Article in journal (Refereed) Published
Abstract [en]

The aim of the study was to describe 20-year incidence trends for childhood type 1 diabetes in 23 EURODIAB centres and compare rates of increase in the first (1989-1998) and second (1999-2008) halves of the period. All registers operate in geographically defined regions and are based on a clinical diagnosis. Completeness of registration is assessed by capture-recapture methodology. Twenty-three centres in 19 countries registered 49,969 new cases of type 1 diabetes in individuals diagnosed before their 15th birthday during the period studied. Ascertainment exceeded 90% in most registers. During the 20-year period, all but one register showed statistically significant changes in incidence, with rates universally increasing. When estimated separately for the first and second halves of the period, the median rates of increase were similar: 3.4% per annum and 3.3% per annum, respectively. However, rates of increase differed significantly between the first half and the second half for nine of the 21 registers with adequate coverage of both periods; five registers showed significantly higher rates of increase in the first half, and four significantly higher rates in the second half. The incidence rate of childhood type 1 diabetes continues to rise across Europe by an average of approximately 3-4% per annum, but the increase is not necessarily uniform, showing periods of less rapid and more rapid increase in incidence in some registers. This pattern of change suggests that important risk exposures differ over time in different European countries. Further time trend analysis and comparison of the patterns in defined regions is warranted.

Place, publisher, year, edition, pages
Springer-Verlag New York, 2012. Vol. 55, no 8, 2142-2147 p.
Keyword [en]
Epidemiology, Incidence, Temporal change, Trends, Type 1 diabetes
National Category
Medical and Health Sciences
URN: urn:nbn:se:umu:diva-57595DOI: 10.1007/s00125-012-2571-8ISI: 000306122600009OAI: diva2:543480
Available from: 2012-08-08 Created: 2012-08-08 Last updated: 2013-01-03Bibliographically approved

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