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目的 观察IDD病区不同智商水平儿童精神运动功能状况,评估碘盐防治后儿童亚克汀病患病率。方法 先用CRT-C_2图册和CRT-RC_2测试,判定在校7～14岁儿童智商,再用JPB和T分数检测,确定1630名各智商组儿童精神运动功能。结果IDD重、中病区轻度智力落后组儿童的精神运动功能异常率为57.8％,智力边缘组儿童异常率为25.1％,智力正常和优秀儿童的精神运动功能均正常。结论 JPB证实轻度智力落后儿童的精神运动功能显著低于同龄者,推算出长期供应碘盐IDD重、中病区儿童的亚克汀病患病率为2.8％。
Objective To observe the psychomotor function of children with different IQ levels in IDD ward and to evaluate the prevalence of childhood cretinism after iodized salt prevention and treatment. Methods Using the CRT-C 2 atlas and the CRT-RC 2 test, the IQ of children aged 7 to 14 years old was determined. And then the JPB and T scores were used to determine the mental motor function of 1630 IQ children. Results The rate of abnormal motor function was 57.8% in children with mild mental retardation in IDD group and 25.1% in children with mental retardation group. The mental function was normal in normal children and excellent children. Conclusion JPB confirmed that mental retardation in children with mild mental retardation was significantly lower than those in the same age group. The long-term supply of iodized salt IDD was estimated. The prevalence of diachronic medications in children in the endemic area was 2.8%.