TABLE 2.
In vitro activity of various antibiotics against 11 clinical isolates of C. meningosepticum
| Antibiotic | MIC (μg/ml)b
|
||
|---|---|---|---|
| Range | 50% | 90% | |
| Piperacillin | 0.016 ∼ 24 | 8 | 16 |
| Ceftazidime | 0.064 ∼ >128 | 64 | 128 |
| Cefepime | 0.03 ∼ 256 | 24 | 128 |
| Imipenem | 0.033 ∼ >32 | 32 | >32 |
| Gentamicin | 3 ∼ >256 | 64 | >256 |
| Chloramphenicol | 0.5 ∼ 48 | 8 | 32 |
| Vancomycin | 16 ∼ >32 | 16 | 24 |
| Ciprofloxacin | 0.019 ∼ 1 | 0.25 | 0.75 |
| Minocycline | 0.023 ∼ 1 | 0.03 | 1 |
| SXTa | 0.094 ∼ 1 | 0.75 | 1 |
| Erythromycin | 1 ∼ 8 | 4 | 6 |
| Azithromycin | 4 ∼ 64 | 6 | 12 |
| Rifampin | 0.25 ∼ 0.75 | 0.5 | 0.75 |
a
SXT, trimethoprim-sulfamethoxazole.
b
50% and 90%, the MICs at which 50 and 90% of the isolates were inhibited.