Background: Vitamin D deficiency appears to be lower in diabetic patients. Vitamin D may affect glycemic control & diabetic nephropathy.
Aim: To assess vitamin D level in type 2 diabetic patients and its relation to their glycemic control and development of nephropathy compared to healthy controls.
Design: and Setting: Case control study including 82 participants (41 cases and 41 controls) from Family Medicine Clinic, Cairo University Hospitals.
Method: Participants fulfilling the inclusion criteria were allocated into two groups, diabetes and control groups. History was taken, examination was done, and blood sample was withdrawn for analysis of Vitamin D levels and HBA1C. From the diabetic group only, serum creatinine was assessed and urine sample was collected for microalbuminuria. The results were analyzed using SPSS program version 21.
Results: Vitamin D level was lower in the diabetic group compared to control (65.5% and 56.1%). Vitamin D level was inversely proportionate to HbA1c levels in the diabetic patients (p value 0.000 & r -0.482), as well as to the A/C ratio (p value 0.01 & r -0.396).
Conclusion: Vitamin D level appeared to be lower in diabetic patients and is associated with poor glycemic control & microalbuminuria.
Keywords: Diabetes mellitus; Diabetic nephropathy; Vitamin D.
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