TABLE 3.
Glycopeptide susceptibility
| Gene | Species | MIC (μg/ml)
|
No. of isolates | |
|---|---|---|---|---|
| Vancomycin | Teicoplanin | |||
| vanA | E. faecium (n = 82) | 256 | >32 | 53 |
| 256 | 32 | 19 | ||
| 256 | 24 | 7 | ||
| 256 | 16 | 2 | ||
| 256 | 12 | 1 | ||
| E. faecalis (n = 2) | 256 | 256 | 1 | |
| 256 | 4 | 1 | ||
| vanB | E. faecium (n = 41) | 256 | 256 | 1 |
| 256 | 0.25–1.5 | 33 | ||
| 128 | 1 | 1 | ||
| 64 | 0.75–1 | 3 | ||
| 24 | 0.5–0.75 | 2 | ||
| 12 | 0.5 | 1 | ||
| E. faecalis (n = 10) | 256 | 0.25 | 1 | |
| 128 | 0.38 | 1 | ||
| 48 | 0.5–0.75 | 2 | ||
| 32 | 0.5 | 2 | ||
| 24 | 0.38 | 1 | ||
| 16 | 0.5 | 1 | ||
| 12 | 0.25 | 1 | ||
| 8 | 0.25 | 1 | ||
| vanC1 | E. gallinarum (n = 42) | 12 | 1 | 1 |
| 8 | 0.5–1.5 | 20 | ||
| 6 | 0.38–1 | 18 | ||
| 4 | 0.75–1 | 2 | ||
| 3 | 0.5 | 1 | ||
| vanC2 or vanC3 | E. casseliflavus (n = 9) | 6 | 0.5–1 | 4 |
| 4 | 0.5–1 | 5 | ||
| None | E. faecium (n = 10) | 1.5 | 0.75–1 | 3 |
| 1 | 0.75–1 | 5 | ||
| 0.75 | 0.125–1 | 2 | ||
| E. faecalis (n = 48) | 16 | 0.38 | 2 | |
| 12 | 0.5 | 2 | ||
| 4 | 0.38–0.75 | 4 | ||
| 3 | 0.25–1 | 13 | ||
| 2 | 0.25–0.75 | 19 | ||
| 1.5 | 0.125–0.5 | 8 | ||
| E. durans (n = 2) | 6 | 0.38 | 1 | |
| 4 | 0.125 | 1 | ||
| E. hirae (n = 2) | 1 | 0.094 | 1 | |
| 0.75 | 0.094 | 1 | ||