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Glycated haemoglobin variations in paediatric type 1 diabetes: the impact of season, gender and age
Linköping University, Department of Medical and Health Sciences, Division of Nursing Science. Linköping University, Faculty of Health Sciences.
County Hospital Ryhov, Sweden Jonköping University, Sweden Jonköping University, Sweden .
Linköping University, Department of Clinical and Experimental Medicine, Division of Clinical Sciences. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Center of Paediatrics and Gynaecology and Obstetrics, Department of Paediatrics in Linköping.
2014 (English)In: Acta Paediatrica, ISSN 0803-5253, E-ISSN 1651-2227, Vol. 103, no 4, 398-403 p.Article in journal (Refereed) Published
Abstract [en]

AimTo study whether monthly variations in type 1 diabetes incidence are related to monthly glycated haemoglobin (HbA1c) levels at diagnosis and if high HbA1c at diagnosis is related to certain clinical variables at diagnosis and during the clinical course of the disease. MethodsData from 4430 boys and 3590 girls registered in the Swedish paediatric diabetes quality registry, Swedish paediatric diabetes quality registry, from 2000 to 2010 were analysed. ResultsMonth of onset varied (pless than0.001), with 53% diagnosed during September to February, and mean HbA1c at diagnosis was highest in May (10.9%, 96mmol/mol) and lowest in (October 9.4%, 88mmol/mol) (pless than0.001). Girls showed higher HbA1c at onset than boys (pless than0.001). More than half (53%) with an annual mean HbA1c of greater than9.3% (78mmol/mol) and 4% of those with an annual mean of less than7.4% (57mmol/mol) in 2007 had greater than9.3% (78mmol/mol) in 2010. ConclusionPatients with high HbA1c levels during a certain period have the same high levels several years later. This group, perhaps including those with high HbA1c level at diagnosis, may need more intensive care, including extra support from the diabetes teams and other forms of medical treatment.

Place, publisher, year, edition, pages
Wiley , 2014. Vol. 103, no 4, 398-403 p.
Keyword [en]
HbA1c; Metabolic control; Quality register; Seasonal variations; Type 1 diabetes
National Category
Medical and Health Sciences
URN: urn:nbn:se:liu:diva-106120DOI: 10.1111/apa.12530ISI: 000332694700020OAI: diva2:714046
Available from: 2014-04-25 Created: 2014-04-24 Last updated: 2014-05-08

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Hanberger, LenaSamuelsson, Ulf
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