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2014•Zhongguo shuxue zazhiRequires access

Data analysis of weakly positive samples of External Quality Assessment

Wang Quanhu

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Abstract

Objective By taking part in External Quality Assessment( EQA) data analysis,to continuously improve the accuracy and reliability of laboratory detection system. Methods2011 to 2013 test results of National laboratory External Quality Assessment( EQA) weakly positive samples with different detection reagent S /Co value were comparatively analyzed.Results In 2011 and 2012 the total coincidence rate was 100%,but there were some false negative results. The S /CO value of individual samples tested by domestic reagents exceeded + 2S. The cases of undetected and the results exceeding + 2SD did not appear in the External Quality Assessment of 2013. Conclusion Good EQA results were obtained in 2013,and participating in the EQA was very necessary.

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Objective By taking part in External Quality Assessment( EQA) data analysis,to continuously improve the accuracy and reliability of laboratory detection system. Methods2011 to 2013 test results of National laboratory External Quality Assessment( EQA) weakly positive samples with different detection reagent S /Co value were comparatively analyzed.Results In 2011 and 2012 the total coincidence rate was 100%,but there were some false negative results. The S /CO value of individual samples tested by domestic reagents exceeded + 2S. The cases of undetected and the results exceeding + 2SD did not appear in the External Quality Assessment of 2013. Conclusion Good EQA results were obtained in 2013,and participating in the EQA was very necessary.

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Available abstract

Objective By taking part in External Quality Assessment( EQA) data analysis,to continuously improve the accuracy and reliability of laboratory detection system. Methods2011 to 2013 test results of National laboratory External Quality Assessment( EQA) weakly positive samples with different detection reagent S /Co value were comparatively analyzed.Results In 2011 and 2012 the total coincidence rate was 100%,but there were some false negative results. The S /CO value of individual samples tested by domestic reagents exceeded + 2S. The cases of undetected and the results exceeding + 2SD did not appear in the External Quality Assessment of 2013. Conclusion Good EQA results were obtained in 2013,and participating in the EQA was very necessary.

Key concepts: External quality assessment, Medicine, Reliability (semiconductor), Reproducibility, Quality (philosophy), Medical physics, Quality assessment, Statistics

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