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目的考核全国各省和地市级碘缺乏病实验室的水碘检测能力,了解各级实验室检测的整体水平以及各实验室间的差异。方法将各实验室的检测结果与水中碘成分分析国家一级标准物质的参考值±不确定度进行比较,评价其检测能力。结果参加质控考核的32个省级水碘实验室全部反馈了结果且全部考核合格;347个地市级水碘实验室的反馈率为98.6%,合格率为96.5%;14个县级水碘实验室反馈了结果且全部考核合格。结论全国省级实验室的检测结果非常接近,实验室内和实验室间变异很小,检测精密度和准确度均保持在较高的水平;绝大部分地市级实验室具备水碘检测能力,建议未通过考核的实验室查找原因,提高检测水平。
Objective To test the ability of iodine deficiency detection laboratories in all provinces and prefectures and cities in the country to understand the overall level of laboratory testing at all levels and the differences among laboratories. Methods The test results of each laboratory were compared with the ± uncertainty of the reference value of the national standard for the analysis of iodine in water to evaluate their detection ability. Results All the 32 provincial-level water-iodine laboratories that participated in the assessment of quality control returned all the results and passed the examination. The feedback rate of 347 prefecture-level water iodine laboratories was 98.6% with a pass rate of 96.5% Iodine laboratory feedback and all the results passed the examination. Conclusion The results of the provincial provincial laboratories are very close, with very little variation in the laboratory and laboratories. The precision and accuracy of the tests are kept at a high level. Most prefectural-level laboratories have the ability to detect iodine , It is recommended that the laboratory did not pass the examination to find out the reasons to improve the level of testing.