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Relation of Serum Micronutrients to Growth and Nutritional Habits of School-Aged Children in Egypt

Proper growth of children depends on several micronutrients. A fundamental role of Zinc and vitamins as A, B12 and D is crucial to prevent a failure to thrive. To study the relationship between Egyptian school aged children growth, nutritional habits and micronutrients deficiencies. Materials and methods: A case control research involved 60 school aged children (age ranged from 6 to 12 years). Group 1 (malnourished) compared with group II (apparently healthy children of matched peers). Serum concentrations of Zinc, Copper, and vitamins as A, B12, and D were measured using ELISA kits. Compared to controls, the cases showed significantly lower serum concentrations of Zinc, vitamin A, B12, and D (P<0.000 in all), while serum concentration of Copper was significantly higher. In the patient's group, serum vitamin B12, and Zinc concentrations showed significant positive correlation with height for age z- score, while serum Copper concentration showed significant negative correlation with BMI for age z- score. Serum Zinc, vitamin B12, and D concentrations were significantly correlated positively with serum vitamin A. Multiple logistic regression showed statistically significant association of high serum Copper and weekly consumption of sweetened beverages among the studied patients (P < 0.01). Vitamins and Zinc deficiencies showed high prevalence among the school children. Serum vitamin B12 and Zinc concentrations showed significant positive correlation with height. The significant association between high serum Copper and sugary beverages among the studied patients may be due to contained preservatives.