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３９例肺炎，４３例支气管炎，４３例上呼吸道感染，３０例非呼吸道感染患儿血清锌水平测定，发现肺炎组平均锌含量低于其它３组（Ｐ＜０．０５）及正常组（Ｐ＜０．０１），肺炎组低锌率（５９．０％）高于其它３组（Ｐ＜０．０５）．且婴幼儿比例最大（７８．３％）．本文探讨了锌在小儿肺炎中的作用，提示防治缺锌有助于降低肺炎发病率。
39 cases of pneumonia, 43 cases of bronchitis, 43 cases of upper respiratory tract infection, 30 cases of non-respiratory tract infection in children with zinc levels were measured and found that the average zinc content of pneumonia group was lower than the other three groups (P <0.05) and normal group (P <0.01). The low zinc rate (59.0%) in pneumonia group was higher than the other three groups (P <0.05). And the largest proportion of infants (78.3%). This article explores the role of zinc in children with pneumonia, suggesting that prevention and treatment of zinc deficiency can help reduce the incidence of pneumonia.