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Comparative evaluation of RapID ANA and API 20A for identification of anaerobic bacteria

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Abstract

This study evaluated RapID ANA and API 20 A systems for identification of anaerobic gram-positive and gram-negative bacteria isolated from oral and non-oral infections using standard reference methods. A total of 480 isolates were tested in both systems. The RapID ANA system correctly identified 74 % of the strains to species level and 17.5% to genus level; 5 % were misidentified. The API 20 A system correctly identified 50 % of the strains to species level and 24.5 % to genus level; 8 % were misidentified and 17.5 % could not be identified by the API 20 A system.

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Authors and Affiliations

  1. Anaerobe Reference Unit, National Public Health Institute, Helsinki, Finland

    P. Summanen & H. Jousimies-Somer

  2. Clinical Anaerobic Bacteriology Research Laboratory, Veterans Administration Wadsworth Medical Center, Infectious Disease Section, 691/111F, Wilshire Boulevard, 90073, Los Angeles, California, USA

    P. Summanen

Authors
  1. P. Summanen
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  2. H. Jousimies-Somer
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Summanen, P., Jousimies-Somer, H. Comparative evaluation of RapID ANA and API 20A for identification of anaerobic bacteria. Eur. J. Clin. Microbiol. Infect. Dis. 7, 771–775 (1988). https://doi.org/10.1007/BF01975045

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