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Dtsch Med Wochenschr. 2013 Jan;138(3):69-75. doi: 10.1055/s-0032-1327394. Epub 2013 Jan 8.

[Incidence and prevalence of type 2 diabetes mellitus in Germany: an analysis based on 5.43 million patients].

[Article in German]

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  • 1Institut für Pharmakoökonomie und Arzneimittellogistik (IPAM), Hochschule Wismar.



Based on claims-data of 5.43 million members of a large German statutory health insurance fund in 2008 (Techniker Krankenkasse), the aim of this contribution is to update and more precisely quantify age- and gender-specific prevalence and incidence of type 2 diabetes mellitus (T2DM) in a German setting.


A patient was classified as T2DM prevalent if he or she had received at least two outpatient diagnoses of T2DM in two different quarters of the year and/or had received at least one T2DM diagnosis during inpatient treatment between 01/01/2006 and 12/31/2008. A patient was considered to have had new onset T2DM in 2008 under one of three conditions: 1. no diagnosis of T2DM in 2006 and 2007, 2. no presripction of oral antidiabetics in 2006 and 2007, 3. either one inpatient or two outpatient diagnoses of T2DM conducted in two different quarters of 2008 or one outpatient T2DM diagnosis in 2006/07 when the second diagnosis was made in 2008.


A total of 254,524 patients had T2DM. Compared to the total membership of the medical insurance fund, the prevalence of T2DM was 4.69 %. The average age was 64.8 years, and 66.37 % were male. The incidence of T2DM in our sample was 2.814 cases per 1,000 person-years in men and 1.690 cases in 1,000 person-years in women. Based on our sample and on official population data, 4,704,585 patients (5.75 %) in Germany would be T2DM prevalent in 2009. The number of incident T2DM cases would amount to 215,746 patients (0.264 %).


T2DM is one of the most common chronic diseases in Germany. The expected demographic changes in Germany will increase the burden on the German health system caused by T2DM.

© Georg Thieme Verlag KG Stuttgart · New York.

[PubMed - indexed for MEDLINE]
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