“…Other studies found that there is no relation between vitamin D deficiency and age or sex of diabetic patients [37]. In our study, duration of diagnoses of diabetes negatively affects vitamin D levels and this goes with Bassam et al study [38] and Levgeniia Burlaka et al study [39]. Obese and overweight children had more sever vitamin D deficiency (table 2) and this result was in agreement with previous research [35,40].…”