TABLE 2.
Antibiotic | MIC (mg/liter) |
|||||
---|---|---|---|---|---|---|
ST2/A (14 total strains) |
ST78/B (57 total strains) |
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MIC50 | MIC90 | Range | MIC50 | MIC90 | Range | |
Sulbactam-ampicillin | 32 | 125 | 32-125 | 125 | 125 | 64-125 |
Piperacillin-tazobactam | 125 | 250 | 125->250 | 250 | 250 | 32->250 |
Ceftazidime | 250 | 250 | 125->250 | 250 | 250 | 125->250 |
Cefepime | 125 | 250 | 16-250 | 16 | 32 | 16-250 |
Imipenem | 16 | 32 | 8-32 | 16 | 32 | 8-32 |
Meropenem | 8 | 16 | 4-16 | 8 | 16 | 4-16 |
Amikacin | 125 | >250 | 4->250 | 125 | >250 | 2->250 |
Gentamicin | 8 | 64 | 4->250 | 32 | 64 | 4->250 |
Ciprofloxacin | 64 | 250 | 32->250 | 64 | 250 | 32->250 |
Rifampin | 4 | 500 | 2-500 | 4 | 4 | 2-16 |
Colistin | <0.5 | <0.5 | <0.5 | <0.5 | <0.5 | <0.5-1 |
A. baumannii isolates were analyzed by a microdilution method for MIC determination according to CLSI guidelines.