TABLE 2.

Susceptibility results involving 62 KPC-possessing K. pneumoniae isolates

Antibiotic(s)MIC (μg/ml)% Susceptible% Intermediate% Resistant
50%a90%bRange
Piperacillin-tazobactam>256>256>25600100
Cefotetan64>25616->256153451
Ceftazidime>256>25632->2560298
Cefepime>256>25616->2560595
Gentamicin4641->25665332
Amikacin641282->2566688
Ciprofloxacin>32>328->3200100
Doxycycline8164->256325012
Polymyxin B280.5->167327
  • a MIC for 50% of strains tested.

  • b MIC for 90% of strains tested.