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对中山地区厌食儿222例的发锌、铁、铜、钙含量进行测定，并与165例健康儿对照分析。结果表明：厌食儿组发锌均值比健康儿组明显偏低，铜／锌均值明显偏高，P均＜0．01；发钙偏低，P＜0．05；发铁、发铜元明显差异，P＞0.05。厌食儿组发锌下降率为96．39％，健康儿组为13．33％，两组间存在高度显著性差异，P＜0.01。说明厌食儿体内微量元素变化以锌最明显。另外对222例厌食儿中的151例缺锌儿及63例低锌儿进行治疗，显示用补锌、母乳喂养和指导饮食等综合治疗方法是有效的。
222 cases of anorexia in Zhongshan hair zinc, iron, copper, calcium content was measured, and 165 healthy children control analysis. The results showed that the anaerobic children hair zinc average than the healthy children was significantly lower, the copper / zinc mean was significantly higher, P <0.01; hair calcium is low, P <0.05; hair iron, hair copper significant difference , P> 0.05. Anorexia children hair loss rate was 96.39%, healthy children was 13.33%, there was a highly significant difference between the two groups, P <0.01. Anorexia children show that the most obvious change in zinc. In addition, 151 cases of zinc deficiency infants and 63 cases of low zinc infants in 222 anorexia children were treated, which showed that the combination of zinc supplementation, breastfeeding and diet was effective.