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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 

Evaluation of a rapid latex agglutination test for detection of group B streptococci in vaginal specimens.

A rapid latex agglutination test (Bactigen Group B Streptococcus Cervical Screen) for detection of group B streptococci in cervical-vaginal specimens was evaluated using two different slide systems, the traditional serologic slide and capillary action track (Trak) slide. Culture was used as reference method. A total of 344 cervical-vaginal specimens were tested. The group B streptococci carrier rate was found by culture to be 10.8%, 56.8% of these specimens being heavily colonized. The sensitivity and specificity of the latex agglutination test in heavily colonized specimens was 95.2% and 99.3% for the serologic and track slides respectively. The overall sensitivity, including lightly colonized specimens, was 62.2%. The positive predictive value was 92% for both slide systems, and the negative predictive value 95.4% and 95.6% for the serologic and track slides respectively. The latex agglutination test, used with either slide, provides a rapid and effective method for identification of specimens heavily colonized with group B streptococci. The track slide may provide a convenient alternative to serologic slides since it does not require rotation.[1]

References

  1. Evaluation of a rapid latex agglutination test for detection of group B streptococci in vaginal specimens. Lotz-Nolan, L., Amato, T., Iltis, J., Wallen, W., Packer, B. Eur. J. Clin. Microbiol. Infect. Dis. (1989) [Pubmed]
 
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