摘要目的 评价陕西省74个碘缺乏病实验室水碘检测能力,保障2017年全国生活饮用水水碘含量调查工作质量.方法 2017年,选择陕西省11个市级和63个县级疾病预防控制中心或地方病防治所实验室,对高、低浓度的水碘质控样品进行测定,采用Z比评分法评价水碘质控检测结果.结果 参加质控考核的74个实验室的检测结果全部反馈,71个实验室合格,合格率为95.95％;3个实验室不合格,占4.05％.结论 2017年陕西省碘缺乏病实验室水碘检测能力处于较高水平,质控合格实验室能保障2017年陕西省生活饮用水水碘含量调查项目的水碘测定工作.

abstractsObjective To evaluate the detection capability of water iodine of 74 iodine deficiency disorders (IDD) laboratories in Shaanxi Province,and to ensure the determining quality of water iodine in the national survey in 2017.Methods Totally 11 city-level IDD laboratories and 63 county-level IDD laboratories of centers for disease control (CDC) or endemic prevention and control institutions were selected in 2017.The IDD laboratory measured the mass concentration of high,low water iodine quality-control samples.The capabilities of all laboratories tested were evaluated through standard Z score generated from all the participatory laboratories.Results All 74 laboratories had feedback their testing results.Totally 71 laboratories were considered as qualified,and the qualified rate was 95.95％.Three laboratories were considered as unqualified,and the unqualified rate was 4.05％.Conclusions The results of the quality control have showed that the testing ability of all levels of iodine determination laboratories in Shaanxi Province in 2017 is maintained at a high level.Qualified laboratories in quality control could protect the project of drinking water iodine content survey in Shaanxi Province in 2017.