Variable positive history of  bone aches
 (n=35)
negative history  of bone aches (n=25) Test of sig. P value
Zinc daily dietary intake   (mg/day) 5.67± 2.13 7.03± 3.02 t= 2.04 0.046*
Serum zinc  (μg/dl) 123.71± 20.06 138.72± 30.59 t= 2.3 0.025*
Serum osteocalcin (ng/ml) 23.44± 11.6 26.02± 9.7 t= 0.91 0.369
Table 3: Comparison between diabetic patients with positive history of boneaches and those with negative history as regards daily dietary zinc intake, serum zinc and serum osteocalcin.