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目的总结10年来云南省碘缺乏病实验室外质控网络运行情况,提高云南省各级碘缺乏病实验室的检测水平,为碘缺乏病监测防治提供可靠的实验室数据。方法通过增加实验室设备,培训实验人员。尿碘用砷铈催化分光光度测定方法测定,采用Z值评分法进行统计学评价;盐碘用直接滴定法测定,采用标准参考值±不确定度的方法进行评价。结果参加尿碘考核的省级实验室全部合格;州(市)级实验室从2002年的0个发展到16个,合格率2003年为25%,2009年以来均为93.78%;参加盐碘考核的,省级实验室全部合格,州(市)级实验室合格率除2005年为68.75%外,其他均保持在80%以上,2011年为100%;县级实验室从2002年的0个发展到2009年以来129个,合格率从2003年的70%上升到2011年的94.57%。结论分析评价了云南省10年来碘缺乏病实验室质控网络运行情况,对云南省及各州(市)、县今后的外质控网络运行有指导意义。
OBJECTIVE: To summarize the operation of laboratory external quality control network for iodine deficiency disorders in Yunnan Province over the past 10 years, and to improve the detection level of iodine deficiency disorders laboratories at all levels in Yunnan Province so as to provide reliable laboratory data for the monitoring and prevention of iodine deficiency disorders. Methods By adding laboratory equipment, training of laboratory personnel. Urinary iodine was determined by arsenic and cerium catalytic spectrophotometry, and was evaluated by Z-score method. Salt iodine was determined by direct titration method and evaluated by standard reference ± uncertainty method. Results All the provincial laboratories that participated in the urinary iodine test were all qualified. The state (city) level laboratory developed from 0 in 2002 to 16 with a pass rate of 25% in 2003 and 93.78% since 2009. Salt iodine Examination, provincial laboratories all qualified, state (city) level laboratory qualified rate of 68.75% in 2005, the other remained at 80%, 100% in 2011; County Laboratory from 2002 0 A total of 129 have been developed since 2009, with the passing rate rising from 70% in 2003 to 94.57% in 2011. Conclusion The evaluation of the quality control network operation of laboratory for iodine deficiency disorders in Yunnan Province during the past 10 years has been evaluated and analyzed, which is of guiding significance to the operation of external quality control networks in Yunnan Province, each state (city) and county in the future.