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目的观察碘缺乏病非流行区的人群在供应碘盐后的碘营养水平。方法以ＰＰＳ法随机抽取３０所小学校的学生（８～１０周岁）为观察对象，收集随机尿进行尿碘（酸消化砷铈接触比色法）和甲状腺容积的测定（触诊法和Ｂ超法），同时收集学生家庭中的盐样进行碘含量测定（半定量法）。结果 １２０６名小学生的甲状腺肿大率为３.９０％（触诊法）和３.０７％（Ｂ超法）；尿碘的中位数为２３１、０１μｇ／Ｌ，其频数分布＜１００μｇ／Ｌ的人数占１５．５１％；碘盐的合格率为８７．８９％。结论在全面供应了碘盐１年后，上海地区人群的碘营养水平已有很大的提高，且处于安全的范围之内。
Objective To observe the level of iodine nutrition after the supply of iodized salt in people in non-endemic areas of iodine deficiency disorders. Methods PPS method randomly selected 30 primary school students (8 to 10 years old) as the observation object, collected random urine for urine iodine (acid digestion arsenic trioxide exposure colorimetric method) and thyroid volume determination (palpancy method and B-ultrasonic method ) While collecting salt samples from student families for iodine content determination (semi-quantitative method). Results The thyroid enlargement rate of 1206 pupils was 3.90% (palp method) and 3.07% (B-mode ultrasound); the median urinary iodine was 231,01μg/L, and the frequency distribution was <100μg/L. The number of people accounted for 15.51%; the pass rate of iodized salt was 87.89%. Conclusion After a full supply of iodized salt for 1 year, the iodine nutrition level of the Shanghai population has been greatly improved and is within a safe range.