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Table 2 Comparison of Atopobium vaginae isolates and Bacteroides fragilis type strain MIC-values (μg/ml) for clindamycin and metronidazole

From: Susceptibility testing of Atopobium vaginae for dequalinium chloride

  Atopobium vaginae CCUG 44258 Atopobium vaginae CCUG 44125 Atopobium vaginae CCUG 38953T Bacteroides fragilis ATCC 25285T
Metronidazole [this study]a 32 128 32 1
Metronidazole [15]b 4 8 16 1
Metronidazole [10]a NT NT > 32 NT
Clindamycin [this study]a < 0.0625 < 0.0625 < 0.0625 < 0.0625
Clindamycin [8]c < 0.016 < 0.016 < 0.016 NT
Clindamycin [16]a, * NT NT NT ≤ 0.25 - > 16
  1. MIC: Minimal Inhibitory Concentration; NT: Not tested
  2. a: CLSI broth microdilution, b: Agar dilution method, c: E-test
  3. * Range based on the MICs of 232 clinical isolates of B. fragilis (the type strain was not included)