目的 分析宁夏各级碘缺乏病(IDD)实验室网络运行及外质控考核情况,为IDD的监测和防治提供可靠的实验室质量保障.方法 对2002-2011年宁夏各级IDD实验室的外质控考核结果进行统计学分析.结果 省级尿碘测定实验室连续10年反馈率和合格率均为100％;市级反馈率自2005年以后均为100％,合格率自2007年以后连续5年均为100％.省、市级盐碘测定实验室连续10年反馈率和合格率均为100％;县级反馈率自2004年以后均为100％,合格率自2009年以后均为100％.近3年省、市、县三级实验室尿碘、盐碘考核连续“全部合格”.结论 宁夏各级碘缺乏病实验室网络运行良好,外质控考核现已全部合格,能为IDD监测和防治提供可靠的实验室质量保障.%Objective To analyze the examination results of external quality assessment (EQA),at all levels of iodine deficiency disorders (IDD) network laboratories in Ningxia Province and to further standardize and improve the laboratory,and to provide a reliable laboratory quality assurance for surveillance and control of IDD.Methods The examination results of EQA at all levels of IDD laboratories in Ningxia Province were statistically analyzed in accordance with the National Reference Laboratory (NRL) of IDD (2002-2011).Results Laboratory hardware equipment and technology at all levels met the testing requirements,and qualified rate of quality control increased year by year.Both of the response rate and qualification rate of urine iodine laboratories at provincial level were 100％ in the past decade.From 2005 on,the response rate of city laboratories had been 100％,and the qualification rate had been 100％ since 2007.The response rate and qualification rate of salt iodine laboratories at both the provincial level and the city level were 100％ in the past decade.The response rate of salt iodine laboratories at county level had been 100％ since 2004,and the qualification rate had been 100％ since 2009.Salt iodine and urinary iodine levels were "fully qualified" for the past three years at provincial,municipal and county levels.Conclusions All levels of IDD network laboratory in Ningxia Province runs good,EQA is fully qualified,and is able to provide a reliable laboratory quality assurance for surveillance and control of IDD.
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