Plasma zinc and copper in Paris area preschool children with growth impairment
1993
Plasma zinc, copper, and parameters of growth were measured in a group of 116 French preschool children, 2–5 yr-old from low-income households. Participants were selected on the basis of Z-scores of weight for height (WHZ) and height for age (HAZ). Zinc and copper concentrations of children with growth impairment (GI), defined by a WHZ and/or HAZ −1 Z-score). Mean (±SD) plasma zinc concentration was 12.58±1.84 μmol/L in the GI group, and 13.27±1.98 μmol/L in the controls. The difference of the means of paired samples was 0.69±2.34, and by pairedt-test the significance reachedp=0.028. This effect was primarily a result of the weight retarded group (WHZ <−1 Z-score,p<0.009) and to the girls (p<0.05). There were no significant differences in plasma copper concentrations between groups. These results suggest the presence of marginal zinc deficiency in French preschool children with low weight for height Z-scores.
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