TABLE 1.
MIC ranges, MIC50 values, and MIC90 values, with percentages of isolates susceptible based on CLSI/FDA breakpoints
| Agent | MIC range (mg/liter) | MIC50 (mg/liter) | MIC90 (mg/liter) | % susceptible |
|---|---|---|---|---|
| Plazomicin | ≤0.12 to >32 | 0.25 | 1 | 97.6 |
| Gentamicin | ≤0.5 to >32 | 4 | >32 | 53.3 |
| Tobramycin | ≤0.25 to >32 | 32 | >32 | 14.3 |
| Amikacin | ≤1 to >64 | 16 | 32 | 64.1 |
| Ceftriaxone | ≤1 to >8 | >8 | >8 | 0.6 |
| Ceftazidime | ≤0.5 to >8 | >8 | >8 | 0.9 |
| Aztreonam | ≤1 to >16 | >16 | >16 | 0.9 |
| Imipenem | ≤0.25 to >8 | >8 | >8 | 3.3 |
| Meropenem | ≤0.12 to >8 | >8 | >8 | 4.6 |
| Doripenem | ≤0.12 to >8 | 8 | >8 | 5.4 |
| Piperacillin-tazobactam | 4/4 to >64/4 | >64/4 | >64/4 | 0.4 |
| Levofloxacin | ≤0.25 to >4 | >4 | >4 | 4.1 |
| Trimethoprim-sulfamethoxazole | ≤1/19 to >4/76 | >4/76 | >4/76 | 20.6 |
| Colistin | 0.5 to >8 | 0.5 | >8 | 85.3a |
| Tigecycline | 0.5 to >4 | 1 | 4 | 87.6 |
a
Percentage based on EUCAST breakpoint.