Table I.
Minimum inhibitory concentration (MIC) breakpoints used to test agreement between agar dilution (AD) and E-test for 10 antimicrobials for 233 Campylobacter coli isolates recovered from 80 swine farms in Ontario
| Minimum inhibitory concentration (MIC)a breakpoints
|
|||||
|---|---|---|---|---|---|
| Antimicrobial | Codes | Susceptible ≤ μg/mL | Intermediate = μg/mL | Resistant ≥ μ/mL | |
| I | Ciprofloxacin | CIP | 1 | 2 | 4 |
| II | Azithromycin | AZM | 0.25 | 2 | |
| Clindamycin | CLI | 0.5 | 2 | 4 | |
| Erythromycin | ERY | 0.5 | 4 | 8 | |
| Nalidixic acid | NAL | 4 | 16 | 32 | |
| III | Ampicillin | AMP | 8 | 16 | 32 |
| Chloramphenicol | CHL | 8 | 16 | 32 | |
| Gentamicin | GEN | 4 | 8 | 16 | |
| Streptomycin | STR | 32 | 64 | ||
| Tetracycline | TCY | 4 | 8 | 16 | |
a
Minimum inhibitory concentration (MIC) specified by the CLSI standards.