Table 3.
MIC range, MIC 50 and MIC 90 for antibiotics tested against Enterobacteriaceae
| Antimicrobial agent | MIC range (μg/ml) | MIC 50 (μg/ml) | MIC 90 (μg/ml) |
|---|---|---|---|
| Imipenem |
1 < − 128 |
4 |
16 |
| Meropenem |
1 < − 64 |
2 |
16 |
| Ceftazidim |
1 < − > 512 |
512 |
> 512 |
| Ceftriaxone |
1 < − > 512 |
> 512 |
> 512 |
| Piperacillin/tazobactam |
1 < − > 512 |
128 |
512 |
| Piperacillin |
1 − > 512 |
> 512 |
> 512 |
| Ciprofloxacin |
1 < − 64 |
4 |
32 |
| Levofloxacin |
1 < −128 |
8 |
32 |
| Gentamicin |
1 < − >512 |
8 |
64 |
| Tobramycin | 1 < − >512 | 4 | 64 |