Research Article
[Retracted] In Vivo Development of Polymyxin B Resistance in Klebsiella pneumoniae owing to a 42 bp Deletion in the Sequence of phoQ
Table 2
Minimum inhibitory concentrations (MICs) of antimicrobials for strains used in this study.
| | Antibiotics | MIC | Antibiotics | MIC | | PSKP | PRKP | PSKP | PRKP |
| | Ertapenem | >32 | >32 | Amikacin | >128 | >128 | | Imipenem | >16 | >16 | Compound sulfamethoxazole | >32/608 | >32/608 | | Meropenem | >16 | >16 | Aztreonam | >128 | >128 | | Cefepime | >32 | >32 | Ciprofloxacin | >8 | >8 | | Ceftazidime | >32 | >32 | Levofloxacin | >16 | >16 | | Cefotaxime | >32 | >32 | Doxycycline | 32 | 32 | | Cefmetazole | >64 | >64 | Tigecycline | 1 | 1 | | Cefoperazone/sulbactam | >128/64 | >128/64 | Polymyxin B | ≤0.25 | >16 | | Piperacillin/tazobactam | >256/4 | >256/4 | Ceftazidime/avibactam | 4/4 | 2/4 |
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PSKP: polymyxin B-susceptible K. pneumoniae. PRKP: polymyxin B-resistant K. pneumoniae.
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