Outbreak | Antimicrobial agents | MIC, μg/ml | ||
---|---|---|---|---|
range | MIC50 | MIC90 | ||
Outbreak X (n = 26) | Amikacin | 1–256 | 256 | 256 |
Gentamicin | 4–256 | 256 | 256 | |
Tobramycin | 0.5–256 | 256 | 256 | |
Imipenem | 2–32 | 16 | 32 | |
Meropenem | 8–64 | 32 | 64 | |
Piperacillin | 256 | 256 | 256 | |
Cefepime | 64–256 | 128 | 256 | |
Cefotaxime | 256 | 256 | 256 | |
Ceftazidime | 256 | 256 | 256 | |
Ceftriaxone | 256 | 256 | 256 | |
Ciprofloxacin | 64–256 | 256 | 256 | |
Gatifloxacin | 4–64 | 32 | 64 | |
Levofloxacin | 16–32 | 32 | 32 | |
Polymyxin B | 0.25–0.5 | 0.25 | 0.5 | |
Outbreak Y (n = 12) | Amikacin | 256 | 256 | 256 |
Gentamicin | 256 | 256 | 256 | |
Tobramycin | 256 | 256 | 256 | |
Imipenem | 1–32 | 32 | 32 | |
Meropenem | 2–32 | 32 | 32 | |
Piperacillin | 256 | 256 | 256 | |
Cefepime | 32 | 32 | 32 | |
Cefotaxime | 256 | 256 | 256 | |
Ceftazidime | 128–256 | 256 | 256 | |
Ceftriaxone | 256 | 256 | 256 | |
Ciprofloxacin | 64–128 | 128 | 128 | |
Gatifloxacin | 8–64 | 16 | 32 | |
Levofloxacin | 16–64 | 32 | 64 | |
Polymyxin B | 0.25 | 0.25 | 0.25 |