Table 3.
Minimum inhibitory concentration (MIC) for imipenem, meropenem, and colistin for the 29 P. aeruginosa isolates obtained from the ear canals of dogs.
| Antimicrobial agent | MIC breakpoints (μg/mL) | Results of MIC | ||||
|---|---|---|---|---|---|---|
| S | I | R | Susceptible strains (%) | Intermediate strains (%) | Resistant strains (%) | |
| Imipenem IPM | ≤2 | 4 | ≥8 | 27 (93.1) | 1 (3.4) | 1 (3.4) |
| Meropenem MEM | ≤2 | 4 | ≥8 | 26 (89.7) | 2 (6.9) | 1 (3.4) |
| Colistin COL | - | ≤2 | ≥4 | 0 (0.0) | 29 (100) | 0 (0.0) |