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J Clin Microbiol. 2014 Oct;52(10):3784-7. doi: 10.1128/JCM.01797-14. Epub 2014 Jul 23.

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

Author information

1
Department of Laboratory Medicine, College of Medicine, Korea University, Seoul, South Korea.
2
Department of Parasitology, College of Medicine, Kangwon National University, Chuncheon, South Korea.
3
The Armed Forces Medical School, Daejeon, South Korea.
4
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.

PMID:
25056333
PMCID:
PMC4187788
DOI:
10.1128/JCM.01797-14
[Indexed for MEDLINE]
Free PMC Article

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