The detection of vancomycin-resistant enterococci using a novel commercial multiplex real-time polymerase chain reaction assay (Xpert vanA/vanB, Cepheid, Sunnyvale, CA) was evaluated on 804 rectal swab specimens. Compared to enriched culture, sensitivity and negative predictive value of this method were 100%. Many false-positive results were recovered (sensitivity, 85.4%; positive predictive value, 8.7%), especially for the vanB gene.
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| http://dx.doi.org/10.1016/j.diagmicrobio.2010.02.009 | DOI Listing |
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