| Antimicrobial |
Interpretative threshold of resistance
(ECOFFa) for E. coli (mg/l) |
| Ampicillin |
> 8 |
| Amikacin |
> 8 |
| Azithromycin |
NA; >16b |
| Cefotaxime |
>0.25 |
| Ceftazidime |
>0.5 |
| Chloramphenicol |
>16 |
| Ciprofloxacin |
>0.064 |
| Colistin |
>2 |
| Gentamicin |
>2 |
| Meropenem |
>0.125 |
| Nalidixic acid |
>8 |
| Sulfamethoxazole |
>64 |
| Tetracycline |
>8 |
| Tigecycline |
>0.5 |
| Trimethoprim |
>2 |