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Vitamin D status in diabetic children and adolescents
Tahereh Ziaei-Kajbaf1, Majid Aminzadeh2, Elham Fatahinezhad1
1Pediatric Department, Abuzar Children's Hospital, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
Introduction:
Besides its role in calcium homeostasis, vitamin D (VD) has an important immuno-mudulation effect. However, its role in autoimmune diseases such as type 1 diabetes is under discussion. This study designed to investigate serum VD status in children and adolescents with and without diabetes.
Materials And Methods:
In a case-control study, 85 diabetic and 85 non-diabetic control (total 170) aged 1-15 yr. were enrolled. History of breast feeding and vitamin supplementation was obtained; growth indices and serum levels of Calcium, phosphorous, Alkaline-Phosphatase (ALP), Hemoglobin-A1c and VD were measured and analyzed.
Results:
The mean values for VD in case and control groups were 12.80 ± 10.59 and 15.85 ± 9.92 nmol/L, respectively (p = 0.057). Serum VD status in these two groups was sufficient in 5.88% and 9.41%, insufficient in 18% and 14%, and deficient in 75.29% and 76.74%, respectively. Compared to the controls, diabetics had more history of breast-feeding (62.35% vs. 42.35%; p = 0.017) and higher serum ALP levels (772.34 ± 309.89 vs. 657.99 ± 395.11 U/L; p = 0.032).
Conclusion:
More frequency of breast-feeding, higher serum ALP and mildly lower serum level of VD in diabetics suggests a significant difference in VD status in diabetics compared to the healthy peers indicating a potential role of this deficiency in the disease process.
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