Table 1.
Minimum inhibitory concentration (MIC) determination in A. baumannii clinical isolates.
| Antimicrobial Category | Antimicrobial Agent | Antibiotic Resistance Level (%) | MIC (µg/mL) | ||||
|---|---|---|---|---|---|---|---|
| S | I | R | S | I | R | ||
| Aminoglycosides | Gentamicin | 36% | 23% | 41% | ≤4 | 4–8 | ≥16 |
| Amikacin | 35% | 39% | 27% | ≤16 | 16–32 | ≥64 | |
| Streptomycin | 24% | 44% | 32% | ≤4 | 4–8 | ≥16 | |
| Cephems | Cefepime | 11% | 31% | 59% | ≤4 | 4–6 | ≥16 |
| Carbapenems | Ceftazidime | 29% | 57% | 13% | ≤8 | 8–16 | ≥32 |
| Imipenem | 35% | 37% | 28% | ≤2 | 2–4 | ≥8 | |
| Penicillins | Ticarcillin | 15% | 44% | 41% | ≤16 | 16–64 | ≥128 |
| Piperacillin | 15% | 43% | 43% | ≤16 | 16–64 | ≥128 | |
| Carbenicillin | 6% | 37% | 56% | ≤16 | 16–32 | ≥64 | |
| Folate pathway inhibitors | Sulfamethoxazole-Triethoprim | 31% | 5% | 63% | ≤4 | 4–38 | ≥76 |
| Tetracycline | Tetracycline | 59% | 15% | 27% | ≤4 | 4–8 | ≥16 |