平顶山市属碘缺乏病病区,其主要分布在鲁山、宝丰、郏县、舞钢等县(市),1984年达到了基本控制标准,一直供应1/5万碘化钾碘盐。1991年开始改为供应1/3万碘酸钾碘盐。为观察1/3万碘酸钾碘盐对碘缺乏病的防治效果,1991年末,对各病区县(市)监测点,进行了调查,其结果如下。 Pingdingshan belongs to the iodine deficiency disease ward, which is mainly distributed in Lushan, Baofeng, Juxian and Wugang counties (cities). In 1984, it reached the basic control standard and supplied 1/50000 iodine salt of potassium iodide. In 1991 began to supply 1/3 million iodized iodine salt. In order to observe the prevention and treatment effect of iodine salt of 1/3 potassium iodate on iodine deficiency disease, we conducted a survey on the monitoring points of counties (cities) in each ward at the end of 1991 and the results are as follows.