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目的了解全民食盐加碘对碘缺乏病区出生儿童智商的影响。方法用联合型瑞文测验测定儿童智商(IQ),用砷铈接触法测定尿碘,用半定量碘盐监测试剂检测居民盐碘。结果 8～10儿童儿童尿碘中位数为279.9ug/L;盐碘合格率为100.0%;儿童IQ均值为(106.62±16.35),且频数分布均偏右移,智力低下的发生率明显低于理论水平。结论全民食盐加碘后8～10儿童智力发育得到有效保护和提高,食盐加碘是促进儿童智力发育的重要因素。
Objective To understand the impact of universal salt iodization on the IQ of children born in iodine deficiency disorders. Methods The IQ of children was measured by combined type of Raven test, urinary iodine was measured by arsenic-cerium contact method, and salt iodide was detected by semi-quantitative iodine salt monitoring reagent. Results The median of urinary iodine in children aged 8-10 was 279.9ug / L, the qualified rate of salt iodine was 100.0%, and the mean of IQ in children was (106.62 ± 16.35), with the frequency distribution shifted to the right and the prevalence of mental retardation was significantly lower At the theoretical level. Conclusion The mental development of children aged 8 ~ 10 after iodized salt is effectively protected and improved. Salt iodization is an important factor to promote the mental development of children.