TABLE 1.
FIC indices of the combination of oxacillin and vancomycin for staphylococcal isolates
| Organism (no. of isolates) | Vancomycin MIC (μg/ml) | FIC index | Presence of synergyb |
|---|---|---|---|
| MRSA (22) | 1–2a | 0.51–2a | 0/22 |
| MRSE (20) | 1–4a | 0.08–0.56a | 18/20 |
| MRSH (10) | 2–4a | 0.19–1.5a | 4/10 |
| MRSA HIP5827 | 8 | 0.26 | 1 |
| MRSA HIP5836 | 8 | 0.09 | 1 |
| MRSA MU50 | 8 | 0.25 | 1 |
| S. haemolyticus 27280-2 | 8 | 0.25 | 1 |
| S. haemolyticus 27280-3 | 16 | 0.12 | 1 |
| S. aureus 27619VR | 8 | 0.19 | 1 |
| S. aureus 5827HR | 16 | 0.18 | 1 |
a
Values are ranges.
b
Data represent number of isolates against which synergy was observed/total number of isolates tested or number of isolates against which synergy was observed.