Report of the Korean Association of External Quality Assessment Service on Autoimmune Testing (2018–2019)

Abstract

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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“…외부정도관리는 임상검사실의 질을 유지하고 정확한 검사결과 를 보고하기 위해 수행되어야 하는 가장 기본적인 사항 중 하나이 다 [1]. 국내에서는 대한임상검사정도관리협회에서 주도적으로 임 상검사실에 대한 외부정도관리를 시행하고 있으며 현재 300종 이 상의 검사에 대한 외부정도관리 프로그램을 운영하고 있다 [2][3][4][5][6][7][8][9][10][11].…”