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KMID : 0985420200420010001
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Laboratory Medicine and Quality Assurance
2020 Volume.42 No. 1 p.1 ~ p.9
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Report of the Korean Association of External Quality Assessment Service on Autoimmune Testing (2018?2019)
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Chung Hee-Jung
Moon Hee-Won
Yi Joo-Won
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Abstract
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Under the Korean Association of External Quality Assessment Service, autoimmune proficiency testings (PT) for six test items were performed in 2018?2019 for laboratory quality improvement. We conducted two trials per year and sent three PT materials for anti-nuclear antibody (ANA) testing and two PT materials for anti-mitochondrial antibody (AMA), anti-smooth muscle antibody (SMA), anti-thyroglobulin antibody (anti-Tg), anti-thyroperoxidase antibody (anti-TPO), and anti-double stranded DNA antibody (anti-dsDNA) testing in each trial. The analysis was conducted based on the information and results of each test item entered by the laboratory. The report comprised of a common report that showed the characteristics of all the participating laboratories and a laboratory-specific report that showed the assessment data of individual laboratories. The intended response rates for ANA, AMA, SMA, and anti-dsDNA qualitative tests were over 97.5%, 88.2%, 85.0%, and 90.4%, respectively. The coefficient of variations for anti-Tg and anti-TPO was 10.4%?70.1% and 16.6%?21.0%, respectively. The number of participating laboratories in 2019 was more than that in 2018. We believe this statistical report will be useful to interpret external PT results and set up autoimmune assays at each laboratory.
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KEYWORD
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Korean Association of External Quality Assessment Service, Laboratory proficiency testing, Quality improvement, Immunology, Autoimmune diseases, Autoimmune antibodies
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