Background: Diabetes mellitus is a worldwide epidemic. In 2002 there were 173 million diabetic\nadults worldwide, and these numbers are expected to reach up to 300 million people by 2030.\nMeanwhile, vitamin D deficiency has its worldwide prevalence directly influenced by factors as\nsolar radiation, skin color, latitude and seasons, cultural habits of populations such as clothing\nand food, and these factors are important to explain the different prevalences of vitamin D deficiency\nin the world. Methods: A prospective cross-sectional cohort study was conducted with patients\nin the outpatient clinic of the Health Unit of the city of Mangueirinha, Paran�¡, Southern Brazil.\nFifty-four type 2 diabetic patients were evaluated (38 women and 16 men), aged 55.8 �± 12.6\nyears. The following variables were evaluated: age, ethnicity, presence of type 2 diabetes (DM2),\nhypertension, dyslipidemia, weight, BMI, WC, blood pressure, blood glucose, glycated hemoglobin,\nionized calcium, PTH, 25-OH Vit, total cholesterol, HDL, LDL, urea, creatinine, uric acid and red\ncell/hematocrit. Results: mean BMI was 30.2 �± 4.4 kg/m2, indicating class 1 obesity in this population.\nFasting glucose levels were approximately 169.8 �± 74.5 mg/dL. The 25-OH vitamin D values\nfor this population were 23.4 �± 8.3 ng/mL, and 13% of them showed 25-OH vitamin D levels above\n30 mg/dL. Fifty percent of those patients had vitamin D levels lower than 30 mg/dL, and 37% had\nless than 20 mg/dL. Conclusions: this study suggests that vitamin D is associated with low levels of\nvitamin D in type 2 diabetic patients. Supplementation of vitamin D should be considered in diabetic\npatients, when levels under 30 mg/mL are found.
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