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目的了解广东沿海及珠江三角洲地区人群碘营养状况。方法用人口比例概率抽样法对该地区抽取３０个调查点１２９３名８～１０岁在学儿童进行甲状腺肿大率、尿碘、盐碘调查；同时调查了儿童的智商水平和新生儿脐带血ＴＳＨ。结果Ｂ超法检查甲状腺肿大率１２．４５％，触诊法检查甲状腺肿大率１２．２２％；盐碘覆盖率５６．２％；尿碘中位数１２４．６０μｇ／Ｌ；平均智商为１０３．４，处于边缘状态和智力落后的儿童占６．８５％；ＴＳＨ＞５ｍＵ／Ｌ的占１０．２５％。结论广东沿海及珠江三角洲地区同样存在碘摄入不足的公共卫生问题，但多属轻度缺碘
Objective To understand the status of iodine nutrition in Guangdong coastal area and Pearl River Delta region. Methods A population proportion probabilistic sampling method was used to investigate the thyroid enlargement rate, urine iodine and salt iodine among 1293 school-age children aged from 8 to 10 in 30 investigation points. The IQ of children and the TSH of neonates were also investigated. Results The rate of goiter was 12.45% in the B-mode ultrasound examination, the rate of goiter was 12.22% in the palpation examination, the salt-iodine coverage was 56.2%, the median of urinary iodine was 124.60μg / L, the average IQ was 103.4, children in the marginal state and mental retardation accounted for 6.85%; TSH> 5mU / L accounted for 10.25%. Conclusion There are also public health problems in the coastal areas of Guangdong and the Pearl River Delta that are not adequately iodine, but they are mostly mild iodine deficiency