Table 4.
Group of Strains | Antibiotic | MIC range (µg/mL) | MIC50 (µg/mL) | MIC90 (µg/mL) | MBC range (µg/mL) | S |
---|---|---|---|---|---|---|
Group II, III, IV (n=120) | Ceftolozane/tazobactam | 0.25–>256 | 2 | 256 | ND | 83% |
Ceftazidime/awibactam | 1–>256 | 4 | 32 | ND | 85% | |
Meropenem/vaborbactam | 0.125–256 | 16 | 64 | ND | 38% | |
Colistin | 0.125–4 | 1 | 2 | ND | 99% |
Abbreviations: ND, not determined, S, susceptible strains.