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目的通过对巴彦淖尔市居民食用盐碘监测及重点人群尿碘检测结果进行分析,为科学、合理补碘及防治碘缺乏病工作提供依据。方法用直接滴定法检测2015年-2016年各旗县区居民4 200份食用盐中碘含量,采用参考值±不确定度进行评价;检测2015年-2016年巴彦淖尔市重点人群8岁~10岁学生尿碘2 038份、孕妇尿碘658份,用《尿碘的砷铈催化分光光度法》测定尿中碘含量,采用中位数法进行评价。结果 2015年-2016年共采集4 200份居民食用盐,合格碘盐率为99.79%,碘盐覆盖率为99.97%,碘盐合格食用率为99.76%;8岁~10岁学生尿碘中位数为213.9μg/L,孕妇尿碘中位数为150.59μg/L;不同年龄段孕妇尿碘中位数差异无统计学意义(P>0.05);男、女学生的尿碘中位数差异无统计学意义(P>0.05)。结论巴彦淖尔市盐碘监测符合国家标准要求,8岁~10岁学生尿碘中位数超过适宜量水平,孕妇尿碘中位数处于适宜量水平。
Objective To analyze the results of salt iodine monitoring and urinary iodine detection in residents in Bayannur City to provide basis for scientific and rational iodine supplementation and prevention of iodine deficiency disorders. Methods The titration method was used to measure the iodine content of 4 200 edible salt in residents in each county of Qiqi county from 2015 to 2016. The iodine content of the edible salt was evaluated by reference ± uncertainty. The key population in Bayannao’er City from 2015 to 2016 was 8 years old ~ 2 038 urinary iodine of 10-year-old students, 658 urinary iodine of pregnant women, iodine content of urinary urine with urinary iodine arsenic-cerium catalytic spectrophotometry, and the median method was used to evaluate the iodine. Results A total of 4 200 edible salt samples were collected from 2015 to 2016. The qualified iodized salt rate was 99.79%, the iodized salt coverage rate was 99.97%, and the qualified iodized salt consumption rate was 99.76%. The urinary iodine median of students aged 8 to 10 years The median of urinary iodine in pregnant women was 150.59μg / L. The median of urinary iodine in pregnant women of different ages had no significant difference (P> 0.05). The difference of median urinary iodine between male and female students No statistical significance (P> 0.05). Conclusion The salt iodine monitoring in Bayannur City meets the national standard. The median urinary iodine of students aged 8 to 10 exceeds the appropriate level, and the median urinary iodine of pregnant women is at the appropriate level.