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Table 2 Antimicrobial susceptibility profile* of carbapenem resistant A. baumannii complex isolates (N=232)

From: In vitro activity of tigecycline against clinical isolates of carbapenem resistant Acinetobacter baumannii complex in Pretoria, South Africa

Antibiotic Susceptible (µg/ml) Intermediate (µg/ml) Resistant (µg/ml)
Ampicillin - - 100.0% ( 32)
Amoxicillin/clavulanic acid - - 100.0% ( 32)
Piperacillin/tazobactam - - 100.0% ( 32)
Cefuroxime - - 100.0% ( 32)
Cefuroxime Axetil - - 100.0% ( 32)
Cefoxitin - - 100.0% ( 32)
Cefotaxime - - 100.0% ( 32)
Nitrofurantoin - - 100.0% ( 32)
Meropenem - - 100.0% ( 16)
Imipenem - - 100.0% ( 16)
Cefepime - 0.4% (9 - 31) 99.6% ( 32)
Nalidixic acid 8.1% ( 2) - 91.9% ( 32)
Ciprofloxacin 9.0% ( 1) - 91.0% ( 4)
Trimethoprim/ Sulfamethoxazole 12.6% ( 20) - 87.4% ( 320)
Ceftazidime 7.6% ( 8) 12.6% (9-31) 79.8% ( 64)
Gentamicin 9.4% ( 1) 12.6% (2-15) 78.0% ( 16)
Amikacin 78.0% ( 16) 11.7% (17-63) 10.3% ( 64)
Tigecycline 75.8% ( 0.25) 16.6% (1-7) 7.6% ( 8)
Colistin 100.0% ( 2) - -
  1. * According to CLSI guidelines 2010 (MIC values in g/ml).
  2. -=none.