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目的比较不同碘含量食盐防治碘缺乏病的效果。方法对重病区麻江县河坝乡和轻病区凤岗县何坝乡的３８０２名学龄儿童的甲状腺肿大率、尿碘水平及盐碘含量进行对比调查分析。结果盐碘含量、尿碘水平和甲状腺肿大率呈负相关，食盐的含碘量和尿碘值呈正相关。结论１／２万碘酸钾食盐对ＩＤＤ的防治效果明显优于１／５万碘化钾食盐。
Objective To compare the effects of different iodine levels in prevention and treatment of iodine deficiency disorders. Methods The prevalence of goiter, urinary iodine and iodine in 3802 school-age children in Heba Township, Hejiang Township, Majiang County, Hefeng Township, Fenggang County, Qinggang County, were compared and analyzed. Results Salt iodine content, urinary iodine level and goiter rate was negatively correlated, salt iodine content and urinary iodine value was positively correlated. Conclusion Potassium 1/1000 potassium iodate prevention and treatment of IDD was significantly better than 1/5 million potassium iodide salt.