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Diabetes Res Clin Pract. 2011 Dec;94(3):463-7. doi: 10.1016/j.diabres.2011.09.011. Epub 2011 Sep 28.

Reclassification of diabetes type in pediatric patients initially classified as type 2 diabetes mellitus: 15 years follow-up using routine data from the German/Austrian DPV database.

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  • 1Institute of Epidemiology and Medical Biometry, University of Ulm, 89081, Germany. wendy.awa@uni-ulm.de

Abstract

OBJECTIVE:

To examine change of diagnosis in patients from the German/Austrian multicenter DPV (Diabetes Patienten Verlaufsdokumentation) database initially classified as type 2 diabetes.

METHODS:

Patients aged ≤20 years at onset, diagnosed between 1995 and 2010 were followed for at least 6 months. Chi-square/Wilcoxon tests were performed to compare patient groups according to diabetes type after reclassification.

RESULTS:

From 580 study patients, 60 (10.3%) were reclassified, on average 2.4 years after initial diagnosis as follows: 23 (38.3%) as type 1 diabetes; 9 (15%) as maturity onset diabetes of the young (MODY); 20 (33.3%) as "other specific diabetes forms" and 8 (13.3%) as "remission" of type 2 diabetes. Patients reclassified to type 1 were significantly younger (13.5 ± 2.9 versus 14.0 ± 2.6; p=0.027) and more often β-cell antibody positive at disease onset (80.0% versus 31.2%; p=0.002), while patients reclassified as MODY had significantly lower BMI-SDS values than 520 patients with confirmed type 2 diabetes (2.5 ± 1.1 versus 0.9 ± 1.1; p<0.001). The latter were also considerably more obese than patients in "remission" and those reclassified to "other specific diabetes forms".

CONCLUSION:

About 10% of patients in the DPV database, initially diagnosed as type 2 diabetes, were retrospectively reclassified.

Copyright © 2011 Elsevier Ireland Ltd. All rights reserved.

[PubMed - indexed for MEDLINE]
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