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按不同地区的不同地理位置随机抽取81所小学校8~10岁学龄儿童计8560名,进行了碘营养状况调查,触诊法的甲肿率为32.6%,B超对比甲肿率为27%。尿碘中位数为96.06μg/L,其中最高的郊区、县达132.2μg/L,滨海区为118.3μg/L,而市中心六个区尿碘中位数仅为58.47μg/L。饮用水含碘量平均为39.8μg/L,市区饮用水仅为5.6μg/L。同时对797名学生进行了瑞文氏智力测定,平均智商(IQ)值为106.18±14.06,其中极优秀者为39人,占总数的4.9%,优秀人数为112,占14.1%,二者合计占总调查人数的18.9%。智力落后儿童14人占1.7%。IQ频数分布向中上水平偏移,市区、郊区、县与滨海地区的智力落后分布无明显差别(μ=1.76P>0.05)。调查的病情指标和生化指标均表明天津市属碘缺乏重病区,拟实施全民补碘措施。
According to the different geographical locations in different regions, 8560 school-age children aged 81-10 were randomly selected from 81 primary schools. The iodine nutrition status survey was conducted. The thyroid cancer rate was 32.6% in the palpation method and 27 %. The median urinary iodine was 96.06μg / L, of which 132.2μg / L in the highest suburbs and counties and 118.3μg / L in the coastal areas, while the urinary iodine median in the six districts was only 58.47μg / L. The average iodine content of drinking water is 39.8μg / L, drinking water in urban area is only 5.6μg / L. At the same time, Reynolds intelligence was measured for 797 students with an average IQ of 106.18 ± 14.06, of whom 39 were excellent, accounting for 4.9% of the total, with an outstanding number of 112, accounting for 14.1%, both together accounting for 18.9% of the total number of inquiries. 14 children with mental retardation accounted for 1.7%. IQ frequency distribution shifted horizontally to the upper and middle level. There was no significant difference in the mental retardation between urban areas, suburbs, counties and coastal areas (μ = 1.76P> 0.05). Investigation of the disease indicators and biochemical indicators have shown that Tianjin is a severe iodine deficiency area, to implement universal measures for iodine.