A master's thesis was discussed at the University of Anbar - College of Science and tagged (Immunological ,Hematological and Biochemical Parameters Associated with Vitamin D Deficiency in Diabetic Patients).

The study, submitted by the student (Ruba Baseer Hameed) from the Department of Biology, aims to evaluate the relationship of the serum levels of vitamin D with Immunological ,Hematological and Biochemical Parameters Associated with Vitamin D3 Deficiency in Diabetic Patients The current study included 65 diabetic patients (25 patients type 1 and 40 patients type 2) with vitamin D3 deficiency, who attended Ramadi Teaching Hospital and Fallujah Teaching Hospital - Anbar during the period from September 2020 until January 2021. Their ages ranged between 16 and 70 years The results shows a correlation between the rate of vitamin D deficiency in type 2 diabetic patients of 71.3%. Also found a statistically significant positive relationship between vitamin D level and age and it is possible that the aging process is not one of the causes of vitamin D deficiency. The data of this study showed that there was significant decrease (p ≤ 0.01) in level of Interleukin 10 in T1DM patients (17.05±0.490 Pg/ml) compared with healthy individuals (control) but no-significant differences between T1DM and T2DM, whereas the level of C-reactive protein in T1DM patients (1.78±0.067 mg/dl) was non-significant difference with T2DM (3.18±0.092 mg/dl) . Low blood urea nitrogen levels were significant independent predictors of vitamin D deficiency while no association of vitamin D deficiency with diabetes mellitus, serum creatinine and observed  a significant negative correlation between vitamin D with triglycerides and total cholesterol at p < 0.01.This appears to affirm that 25(OH)D status is inversely linked to atherogenic dyslipidemia. The results found a significant inverse correlation between vitamin D levels and HbA1C in type 2 diabetes patients. Also we observed a significant negative correlation between vitamin D and HbA1C and also the results showed that the serum urea and creatinine levels were significantly elevated in vitamin D.