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本文选择承德地区地甲病区584名7～14学龄儿童作为观察组;选择晋县非地甲病区368名7～14岁学龄儿童作为对照组,进行智力测验。结果:病区儿童智商为73.7±12.59,非病区儿童智商为83.43±11.66,差别有高度显著性(P<0.01)。证明在低碘病区不仅可以发生地甲病和典型的克汀病,而且还可发现在正常学龄儿童中,有相当数量的智力落后者。在这些智力落后儿童中的部分人可能就是亚临床克汀病患者。可见,确保食盐加碘浓度,坚持孕妇投服碘油九,对预防儿童智力落后至关重要。
In this paper, we selected 584 children aged 7 to 14 in Weijie district of Chengde as observation group; 368 school-aged children aged 7 to 14 years old in Jinxian non-Amicorp area were selected as the control group for intelligence test. Results: The IQ of children in the ward was 73.7 ± 12.59 and that of children in the non-ward was 83.43 ± 11.66, the difference was highly significant (P <0.01). Proved that in low iodine ward can not only occur in a disease and typical cretinism, but also found in normal school-age children, a considerable number of mental retardation. Some of these children with mental retardation may be subclinical cretinism patients. Visible, to ensure that iodized salt concentration, adhere to pregnant women vote for iodine nine, to prevent children’s mental retardation is essential.