Vitamin D Status in Relation to Glucose Metabolism and Type 2 Diabetes in Septuagenarians

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Vitamin D Status in Relation to Glucose Metabolism and Type 2 Diabetes in Septuagenarians

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Title: Vitamin D Status in Relation to Glucose Metabolism and Type 2 Diabetes in Septuagenarians
Author: Dalgård, Christine; Petersen, Maria Skaalum; Weihe, Pal; Grandjean, Philippe

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Citation: Dalgård, Christine, Maria Skaalum Petersen, Pal Weihe, and Philippe Grandjean. 2011. Vitamin D status in relation to glucose metabolism and type 2 diabetes in septuagenarians. Diabetes Care 34(6): 1284-1288.
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Abstract: Objective: Vitamin D deficiency is thought to be a risk factor for development of type 2 diabetes, and elderly subjects at northern latitudes may therefore be at particular risk. Research Design and Methods: Vitamin D status was assessed from serum concentrations of 25-hydroxyvitamin D3 [25(OH)D3] in 668 Faroese residents aged 70–74 years (64% of eligible population). We determined type 2 diabetes prevalence from past medical histories, fasting plasma concentrations of glucose, and/or glycosylated hemoglobin (HbA1c). Results: We observed 70 (11%) new type 2 diabetic subjects, whereas 88 (13%) were previously diagnosed. Having vitamin D status <50 nmol/L doubled the risk of newly diagnosed type 2 diabetes after adjustment for BMI, sex, exposure to polychlorinated biphenyls, serum triacylglyceride concentration, serum HDL concentration, smoking status, and month of blood sampling. Furthermore, the HbA1c concentration decreased at higher serum 25(OH)D3 concentrations independent of covariates. Conclusions: In elderly subjects, vitamin D sufficiency may provide protection against type 2 diabetes. Because the study is cross-sectional, intervention studies are needed to elucidate whether vitamin D could be used to prevent development of type 2 diabetes.
Published Version: doi:10.2337/dc10-2084
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3114341/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:10484310
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