False-positive results for rapid diagnostic tests for malaria in patients with rheumatoid factor.

Lee, Jong-Han; Jang, Jin Woo; Cho, Chi Hun; Kim, Ju Yeon; Han, Eun Taek; Yun, Seung Gyu; Lim, Chae Seung
Journal of clinical microbiology
2014Oct ; 52 ( 10 ) :3784-7.
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Lee, Jong-Han - Department of Laboratory Medicine, College of Medicine, Korea University, Seoul, South Korea.
Jang, Jin Woo - Department of Laboratory Medicine, College of Medicine, Korea University, Seoul, South Korea.
Cho, Chi Hun - Department of Laboratory Medicine, College of Medicine, Korea University, Seoul, South Korea.
Kim, Ju Yeon - Department of Laboratory Medicine, College of Medicine, Korea University, Seoul, South Korea.
Han, Eun Taek - Department of Parasitology, College of Medicine, Kangwon National University, Chuncheon, South Korea.
Yun, Seung Gyu - The Armed Forces Medical School, Daejeon, South Korea.
Lim, Chae Seung - Department of Laboratory Medicine, College of Medicine, Korea University, Seoul, South Korea malarim@korea.ac.kr.
ABSTRACT
Four different rapid diagnostic tests (RDTs) for malaria were evaluated by testing 82 healthy control patients, 89 Plasmodium vivax-infected patients, and 92 rheumatoid factor (RF)-positive nonmalaria patients. The false-positive rate ranged from 2.2% to 13% in RF-positive patients. High RF levels are associated with malaria RDT false positivity. CI - Copyright ??2014, American Society for Microbiology. All Rights Reserved.
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MESH
Arthritis, Rheumatoid/*complications, Diagnostic Tests, Routine/*methods, *False Positive Reactions, Humans, Malaria, Vivax/*diagnosis, Rheumatoid Factor/*blood, Time Factors
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The false-positive rate ranged from 2.2% to 13% in RF-positive patients.
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DOI
10.1128/JCM.01797-14
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ICD 03
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