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Prim Care Diabetes. 2009 Nov;3(4):233-8. doi: 10.1016/j.pcd.2009.09.004. Epub 2009 Nov 4.

Prevalence and clinical profile of autosomal dominant type 2 diabetes from a diabetes centre in India.

Author information

1
Madras Diabetes Research Foundation & Dr.Mohan's Diabetes Specialities Centre, 4, Conran Smith Road, Gopalapuram, Chennai, India. drmohans@vsnl.net

Abstract

AIMS:

To study the prevalence, and clinical profile of autosomal dominant (AD) inherited forms of type 2 diabetes mellitus (T2DM).

METHODS:

Detailed pedigree charts were drawn on 510 consecutive T2DM subjects attending a tertiary care diabetes centre in South India. Clinical and biochemical features of T2DM subjects with and without AD inheritance were compared.

RESULTS:

Overall, 36.1% of T2DM had one parent with diabetes, in 10.6%, both parents had diabetes and 10.2% had features of AD. Age at diagnosis of diabetes was the lowest among AD group compared to other groups (p for trend <0.001). Only 22.6% of T2DM with AD inheritance had age at diagnosis of diabetes below 25 years and in 26.4%, it was diagnosed above 45 years. There were no significant differences in the clinical features, including prevalence of diabetic complications, between T2DM with and without AD inheritance.

CONCLUSIONS:

In this clinic-based study, 10.2% of T2DM subjects had evidence of AD inheritance. While the AD cases occurred at younger age, older age at diagnosis was not uncommon. Clinical features, including complications, did not differ between the T2DM patients with or without AD.

PMID:
19892614
DOI:
10.1016/j.pcd.2009.09.004
[Indexed for MEDLINE]

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