Table 1. EUCAST Disc Diffusion Antibiotic Sensitivity Testing against E. coli Strain EC958.
| antibiotic | disk content (μg) | mean zone diameter (mm) ± SEM | sensitivitya |
|---|---|---|---|
| Cephalosporins | |||
| cefotaxime | 3 | 10 ± 0 | resistant |
| ceftazidime | 30 | 9.5 ± 0.47 | resistant |
| cefuroxime | 30 | 0 ± 0 | resistant |
| Tetracyclines | |||
| tigecycline | 15 | 23 ± 0 | sensitive |
| Monobactams | |||
| aztreonam | 30 | 19.5 ± 0.47 | resistant |
| Carbapenems | |||
| doripenem | 10 | 29 ± 0 | sensitiveb |
| meropenem | 10 | 31.5 ± 0.47 | sensitive |
| ertapenem | 10 | 26 ± 0.47 | sensitive |
| imipenem | 10 | 29.7 ± 0.47 | sensitive |
| Aminoglycosides | |||
| gentamicin | 10 | 15 ± 0 | resistant |
| Fluoroquinolones | |||
| ciprofloxacin | 5 | 0 ± 0 | resistant |
| levofloxacin | 5 | 0 ± 0 | resistant |
| Miscellaneous | |||
| rifampicin | 2 | 0 ± 0 | resistant |
| fosfomycin | 50 | 28.5 ± 0.82 | sensitive |
| nitrofurantoin | 100 | 22 ± 0 | sensitive |