Table 4 Summary of MIC range and median (MIC50) of selected antimicrobial agents for Enterobacteriaceae strains with non-susceptible phenotypes
Organism | Cefepime | Ciprofloxacin | Imipenem | Colistin | ||||
|---|---|---|---|---|---|---|---|---|
MIC range (µg/mL) | MIC50 (µg/mL) | MIC range (µg/mL) | MIC50 (µg/mL) | MIC range (µg/mL) | MIC50 (µg/mL) | MIC range (µg/mL) | MIC50 (µg/mL) | |
Enterobacter spp. |  ≥ 256 |  > 256 | 2—256 | 8 | 4—128 | 4 | 8—64 | 32 |
E. coli | 8—256 |  > 256 | 0.5—256 |  > 256 | 2—256 | 256 | 4—64 | 8 |
K. pneumoniae | 64—256 |  > 256 | 0.5—256 | 32 | 4—256 |  > 256 | 4—64 | 32 |