Table 4. Revised MICs and occurrence of resistance among Enterococcus isolates following additional phenotypic and genotypic assessment.
| Class | Antimicrobial | Species | N = | % Resistant | 95% CI | Antimicrobial concentration (μg/ml) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.015 | 0.03 | 0.06 | 0.12 | 0.25 | 0.5 | 1 | 2 | 4 | 8 | 16 | ||||||
| Glycylcycline | Tigecycline | Enterococcus faecalis | 96 | 0.0 | 0.00–3.77 | 2.1 | 45.8 | 41.7 | 5.2 | 5.2 | ||||||
| Enterococcus faecium | 120 | 0.0 | 0.00–3.03 | 43.3 | 44.2 | 5.8 | 4.2 | |||||||||
| Enterococcus spp | 584 | NA | NA | 2.1 | 45.0 | 37.7 | 8.0 | 4.3 | ||||||||
| Lipopeptide | Daptomycin | Enterococcus faecalis | 96 | 9.4 | 0.00–3.77 | 2.1 | 4.2 | 2.1 | 76.0 | 15.6 | ||||||
| Enterococcus faecium | 120 | 2.5 | 0.00–3.03 | 5.8 | 47.5 | 46.7 | ||||||||||
| Enterococcus spp | 584 | NA | NA | 0.2 | 0.7 | 5.3 | 25.5 | 40.9 | 27.2 | 0.2 | ||||||
Solid vertical lines indicate breakpoints for resistance. The white fields indicate the dilution range tested for each antimicrobial.