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의과대학
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Journal papers
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Evaluation of Serum Beta-2-Microglobulin Assay on Beckman Coulter Chemistry Analyzer
Title
Evaluation of Serum Beta-2-Microglobulin Assay on Beckman Coulter Chemistry Analyzer
Authors
Kim S.-K.
;
Jeong T.-D.
Ewha Authors
정태동
;
김수경
SCOPUS Author ID
정태동
; 김수경
Issue Date
2022
Journal Title
Clinical Laboratory
ISSN
1433-6510
Citation
Clinical Laboratory vol. 68, no. 3, pp. 651 - 655
Keywords
beta-2 microglobulin
;
evaluation
;
performance
Publisher
Verlag Klinisches Labor GmbH
Indexed
SCIE; SCOPUS
Document Type
Article
Abstract
Background: Beta-2 microglobulin (β2M) has various clinical usages and is an important prognostic marker for multiple myeloma. Although there are concerns of harmonization between assays, performance evaluation and method comparison reports are rare. Here, we evaluated the performance of Beckman-Coulter β2M assay. Methods: The precision and linearity of the Beckman Coulter β2M assay were evaluated. Beckman-Coulter results were compared to DiaSorin Liaison results. The manufacturer provided reference interval was verified. Results: Within-laboratory imprecision percentage coefficient of variation was 1.73% and 2.19% for low- and high-level control material, respectively. The linearity was confirmed over a range of 0.08 to 15.60 mg/L. Passing-Bablok regression analysis showed that y (Beckman-Coulter) = 0.978 x (Liaison) + 0.079 (r = 0.996) with a mean difference of 1.0%. All healthy subjects were within the range of manufacturer provided reference interval. Conclusions: The analytical performance of the Beckman-Coulter β2M assay was clinically acceptable. © 2022 Verlag Klinisches Labor GmbH. All rights reserved.
DOI
10.7754/Clin.Lab.2021.210735
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