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Diabetologia. 2010 Jun;53(6):1057-61. doi: 10.1007/s00125-010-1704-1. Epub 2010 Mar 7.

Diabetic ketoacidosis at diagnosis in Austrian children in 1989-2008: a population-based analysis.

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Department of Pediatrics, Medical University of Vienna, Währinger Gürtel 18-20, 1090 Vienna, Austria.



The aim of the study was to analyse the prevalence of diabetic onset ketoacidosis (DKA) during a period of 20 years (1989-2008) on a population basis in the whole of Austria.


A prospective population-based incidence study (1989-2008) was performed. The registered data set comprised blood glucose, pH, ketonuria and clinical symptoms of DKA at manifestation. DKA was defined as pH < 7.3 and severe DKA as pH < 7.1. Time trends were estimated using linear regression models.


During the study period, 3331 children <15 years of age (1,797 boys and 1,534 girls) were registered with newly diagnosed type 1 diabetes. Of these, 1,238 (37.2%) presented with DKA, 855 (25.7%) had a mild and 383 (11.5%) a severe form, and one patient died at onset. DKA frequency was negatively associated with age at onset (p < 0.0001). In children <2 years the prevalence was 60%, with a higher risk for girls (70% vs 54% for boys, p < 0.05). Despite a significant increase in diabetes incidence in Austria during the observation period from 8.4 to 18.4/100,000 (p < 0.0001), no significant change in the prevalence of DKA at manifestation was observed.


The overall frequency of DKA in children with newly diagnosed type 1 diabetes in Austria is high and has not changed during the last 20 years despite a clear increase in the manifestation rate. In particular, children less than 2 years of age have a high risk of DKA at onset.

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