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[目的 ]了解和比较未供应碘盐与供应碘盐 IDD轻病区同期出生儿童的智商、亚临床损伤程度及儿童人群的亚克汀病患病率。 [方法 ]采用 CRT- C2 测验判定儿童智商 ,JPB、测听仪、X射线片、身高及体重判定儿童精神运动和听力障碍、骨龄和体格发育落后情况 ,按我国卫生行业标准诊断亚克汀病。 [结果 ]未供应碘盐轻病区儿童人群智商均值为96 .8,轻度智力落后率 7.5 % ;供应碘盐轻病区为 10 0 .9、3.5 %。未供碘盐病区各智力水平儿童的精神运动和听力障碍率、骨龄和体格发育落后率均较供碘盐病区高。轻度智力落后儿童的亚临床损伤率 ,未供碘盐区为 6 0 .1% ,供碘区为4 0 .2 % ;定量计算儿童亚克汀病患病率 ,未供碘盐区为 4 .5 % ,供碘区为 1.4 %。 [结论 ]IDD轻病区供应碘盐后出生的轻度智力落后儿童亚临床损伤率及儿童人群亚克汀病患病率 ,均显著低于未供应碘盐轻病区 ,食用碘盐是预防子代亚临床损伤的有效措施。
[Objective] To understand and compare the IQ, subclinical injury and prevalence of diacetin in children with idiopathic iodine deficiency and idiopathic IDD in the same period. [Methods] The children’s IQ, JPB, audiometer and X-ray film were determined by CRT-C2 test. The children’s mental movement and hearing impairment, bone age and physical retardation were judged according to height and weight. According to the standard of health industry in our country, . [Results] The average IQ of children without iodized salt light sickness was 96.8, mild mental retardation was 7.5%, and the supply of iodized salt light sick was 10.9, 3.5%. The level of psychomotor and hearing impairment, skeletal age and physical development in children with mental retardation in the non-iodized salt sick area were all higher than those in the iodized-salt sick area. The rate of subclinical injury in children with mild mental retardation was 60.1% for iodine-free saline area and 40.2% for iodine-supplying area. The prevalence of pediatric patients was statistically calculated 4.5% for iodine and 1.4% for iodine. [Conclusion] The subclinical injury rate of mild mental retardation children born in iodized salt supply and the prevalence of diachinine in children are significantly lower than those in iodized salt-free areas without iodized salt supply and iodized salt is prevention Subclinical subclinical injury effective measures.