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1995年采用容量比例概率(PPS)抽样法,对我区的8~10岁儿童以触诊法监测甲状腺肿大率为21.01%(1777/8835);8、9、10岁儿童的肿大率有显著性差异(x ̄2=20.26,P<0.005);在8~10岁儿童的年龄与肿大率呈正相关;1614例8~10岁儿童尿碘中位数为227.76μg/L;学生家庭用户盐,盐碘中位数为29.54mg/kg;碘盐合格率为71.20%(1706/2396)。1995年我区对特需人群进行碘剂防治约30万人;碘盐投碘量由50g(KIO_3)/吨食盐,提高至70g(KIO_3)/吨食盐,1~4个月后,盐碘尿碘水平明显提高,但病情严重,只有加大防治力度,病情可望下降。
In 1995, the volume proportional probability (PPS) sampling method was used to detect the goiter rate by palpation of 21.01% (1777/8835) in children aged 8-10 years in our district. The swelling rate of children aged 8, 9 and 10 years There was a significant difference in the rates (x ~ 2 = 20.26, P <0.005). There was a positive correlation between the age and the rate of enlargement in children aged 8 ~ 10 years. The median urinary iodine in 1614 children aged 8 ~ 10 was 227.76μg / L; the average number of salt and iodine in students was 29.54mg / kg; the passing rate of iodized salt was 71.20% (1706/2396). In 1995, the district took about 300,000 people to prevent and treat iodine in the special-needed population. The iodine iodine dosage increased from 50g (KIO_3) / tonne salt to 70g (KIO_3) / tonne salt. After 1 to 4 months, Iodine levels increased significantly, but the condition was serious, only to increase prevention and treatment efforts, the disease is expected to decline.