Variable pre pubertal (n=18) Pubertal  (n=42) Test of sig. P value Glycated Hb% 8.21±1.23 9.05± 1.87 1.91 0.062 Zinc daily dietary intake  (mg/day) 5.59± 2.74 6.51± 2.53 t= 1.57 0.215 Serum zinc (μg/dl) 124.5± 30.15 132.31± 23.79 t= 1.15 0.287 Serum osteocalcin (ng/ml) 30.53± 9.35 21.94± 10.49 t= 8.97 0.004**

Table 2: Comparison between prepubertal (tanner stage 1) and pubertal (tanner stage >1) diabetic patients as regards glycated Hb%, zinc daily dietary intake, serum zinc and serum osteocalcin.