期刊
CLINICAL MICROBIOLOGY AND INFECTION
卷 16, 期 9, 页码 1358-1361出版社
WILEY-BLACKWELL
DOI: 10.1111/j.1469-0691.2010.03159.x
关键词
Antigen-based tests; ClearView (R) Exact Influenza A & B; diagnosis; influenza; novel influenza A (H1N1) virus; rapid tests
资金
- Instituto de Salud Carlos III - Redes Tematicas de Investigacion Cooperativa [RD06/0006/0027]
P>Limited information exists on the performance of antigen-based rapid influenza diagnostic tests (RIDT) in diagnosing the novel influenza A pandemic (H1N1) 2009 virus. Large studies evaluating these tests in consecutive patients with a broad clinical spectrum of influenza-like illnesses are needed. We assessed the ClearView (R) Exact Influenza A & B test (Inverness Medical, Cologne, Germany) in comparison with real-time (r)RT-PCR for detection of the novel influenza A (H1N1) in a population-based prospective study of 1016 adults and children with suspected influenza in Spain. Three hundred and one (29.6%) patients had a positive sample with the rRT-PCR assay for influenza A and B viruses, with 297 (29.2%) confirmed cases of the novel influenza A pandemic (H1N1) 2009 virus. Fifty (16.8%) patients with confirmed A (H1N1) 2009 virus were admitted to hospital, with six of them to the intensive care unit. In comparison with rRT-PCR, the ClearView (R) Exact Influenza A & B test had a sensitivity of 19% (95% CI 14-23), a specificity of 100%, a positive predictive value of 100%, and a negative predictive value of 75% (95% CI 72-78). The sensitivity of the test remained low across all demographic and clinical strata. Although a positive RIDT performed well in predicting PCR-confirmed infection with pandemic H1N1 virus, the sensitivity was very low and a negative test result was a poor predictor of the absence of infection.
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