Table.
Antibiotic susceptibility of C. difficile and correlation between E-test and disk diffusion
| Antimicrobial agent | MIC (mg/L) |
Susceptible (%) | r2 |
VME1 (%) |
ME2 (%) |
||||
|---|---|---|---|---|---|---|---|---|---|
| MIC 50 | Range | NAD3 | AA4 | NAD | AA | NAD | AA | ||
| Clindamycin | 4 | 0.75–256 | 86 | 0.65 | 0.59 | 3 | 4 | 4 | 5 |
| Erythromycin | 0.38 | 0.094–256 | 89 | 0.80 | 0.81 | 0 | 0 | 0.8 | 0.8 |
| Moxifloxacin | 0.75 | 0.25–32 | 89 | 0.72 | 0.76 | 0 | 0 | 0 | 0 |
1
VME: Very major error. Sensitive by disk diffusion. Resistant by E-test.
2
ME: Major error. Resistant by disk diffusion. Sensitive by E-test.
3
NAD: Sensitivity agar with NAD.
4
AA: Anaerobe agar.