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目的总结全国碘缺乏病实验室外质控网络10年运行结果。方法尿碘采用“Z”比评分的方法,盐碘采用标准参考值±不确定度的方法对检测结果进行评价。结果参加质控网络的实验室数量由1999年的626个增加至2008年的1709个;省级尿碘和盐碘实验室连续5年保持全部合格;地市级尿碘和盐碘实验室的合格率由1999年70.1%和87.8%分别上升到2008年的92.6%和99.4%;县级盐碘实验室合格率由1999年的58.1%上升到96.1%。结论通过10年来全国实验室网络的运行和持续的技术培训,各级实验室的检测能力有了明显的提高。
Objective To summarize the 10-year running results of the laboratory control network for iodine deficiency disorders in China. Methods Urine iodine using “Z ” than the score method, salt iodine method using standard reference ± uncertainty of the test results were evaluated. Results The number of laboratories participating in the quality control network increased from 626 in 1999 to 1709 in 2008; the provincial urinary iodine and salt iodine laboratories remained fully qualified for 5 consecutive years; the municipal-level urinary iodine and salt iodine laboratories The passing rate increased from 70.1% and 87.8% in 1999 to 92.6% and 99.4% in 2008 respectively. The passing rate of county salt-iodine laboratories increased from 58.1% in 1999 to 96.1%. Conclusion Through the operation of the national laboratory network and continuous technical training over the past 10 years, the testing capabilities of laboratories at all levels have been significantly improved.