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在碘缺乏病区及非病区对学龄儿童进行了尿碘、甲状腺肿大率及发硒含量的调查。结果显示两地儿童尿碘水平接近，说明经补碘后病区儿童碘营养状态得到一定改善，但甲状腺肿大率病区儿童明显高于非病区（Ｐ＜０．００１），而发硒含量却明显低于非病区（Ｐ＜０．００１）。两地儿童发硒含量具有显著性差异，提示硒元素可能对碘缺乏病的发生起着一定的作用。
Urine iodine, goiter rate and selenium content in school-aged children in Iodine Deficiency Disorders and non-endemic areas were investigated. The results showed that urinary iodine levels in children in both areas were similar, indicating that iodine nutrition status of children in the ward was improved after iodine supplementation. However, the children with goiter rate were significantly higher than those in non-ward (P <0.001) Content was significantly lower than non-ward (P <0.001). Selenium content in children with two significant differences, suggesting that selenium may play a role in the occurrence of iodine deficiency disorders.