Table 1.

FIC indices of the combination of oxacillin and vancomycin for staphylococcal isolates

Organism (no. of isolates)Vancomycin MIC (μg/ml)FIC indexPresence 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 80.261
MRSA HIP5836 80.091
MRSA MU50 80.251
S. haemolyticus 27280-2 80.251
S. haemolyticus 27280-3160.121
S. aureus27619VR 80.191
S. aureus5827HR160.181
  • 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.