J Lab Med Qual Assur 2019; 41(4): 195-200
Published online December 31, 2019
Copyright © Korean Association of External Quality Assessment Service.
Department of Laboratory Medicine, Dong-A University College of Medicine, Busan, Korea
Correspondence to:Kyeong-Hee Kim
Department of Laboratory Medicine, Dong-A University Hospital, Dong-A University College of Medicine, 26 Daesingongwon-ro, Seo-gu, Busan 49201, Korea
Tel: +82-51-240-2850 Fax: +82-51-255-9366 E-mail: email@example.com
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
In 2018, the complement and immunoglobulin proficiency testing program of the Korean Association of External Quality Assessment Service included complement, free light chain, immunoglobulin, and anti-cyclic citrullinated peptide (anti-CCP). Tests on all nine items were conducted. The specimen used in the complement and immunoglobulin proficiency testing program was Liquichek Immunology Control from Bio-Rad (Bio-Rad Laboratories, USA). In April and October, three quality control specimens were frozen and delivered. The quantitative proficiency testing report included the number of participating organizations in each group, mean, standard deviation, coefficient of variation (CV), median, minimum, and maximum values. The number of organizations participating in each test varied and ranged from 29 free light chains to 115 anti-CCP participants. The median CV of C3 was 4.9%, and the median CV of C4 was 8.45%, which was statistically significantly lower (
Keywords: Korean Association of External Quality Assessment Service, Complement, Immunoglobulins, Free light chain, Anti-cyclic citrullinated peptide
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