| Concentration (μg/ml) | S. aureus ATCC 25923 | ||
| Vancomycin | Positive control | Negative control | |
| 7.5 | − | + | − |
| 3.75 | + | + | − |
| 1.875 | + | + | − |
| 0.938 | + | + | − |
| 0.469 | + | + | − |
| 0.234 | + | + | − |
| 0.117 | + | + | − |
| 0.059 | + | + | − |
| 0.029 | + | + | − |
| 0.015 | + | + | − |