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Table 2 Carbapenem resistance among ACB complex blood isolates and distribution of OXA carbapenemase genes in Taiwan

From: Prevalence of different carbapenemase genes among carbapenem-resistant Acinetobacter baumannii blood isolates in Taiwan

Target allele(s)

No. (%) of isolates

ACB complex by Vitek 2 method

357

CRACB complex by Vitek 2 & AST method

334

CRAB by La Scola’s protocol method

269

blaOXA-51-like+blaOXA-23-like

237 (237/269, 88.10%)

blaOXA-51-like+blaOXA-24-like

11 (11/269, 4.09%)

blaOXA-51-like solely

21 (21/269, 7.81%)

  1. Abbreviations here and below: ACB complex Acinetobacter calcoaceticus-Acinetobacter baumannii complex, CRACB complex carbapenem-resistant Acinetobacter calcoaceticus-Acinetobacter baumannii complex, AST antimicrobial susceptibility testing, CRAB carbapenem-resistant Acinetobacter baumannii