Table 2.
Minimum inhibition concentration of PRE and CuSO4 alone and in combination against ten isolates each of MRSA, MSSA and Panton-Valentine Leukocidin positive CA-MSSA.
| Isolates type | No. of isolates | MIC (mg/mL) | ||
| PRE | CuSO4 | *PRE/CuSO4 | ||
| MRSA | 1 | 12.5 | 3.125 | 6.25/1.563 |
| 1 | 25 | 1.563 | 6.25/0.781 | |
| 2 | 25 | 3.125 | 12.5/1.563 | |
| 3 | 25 | 1.563 | 12.5/0.781 | |
| 2 | 12.5 | 1.563 | 6.25/0.781 | |
| 1 | 12.5 | 1.563 | 6.25/0.781 | |
| MSSA | 1 | 25 | 1.563 | 6.25/0.391 |
| 3 | 25 | 1.563 | 12.5/0.781 | |
| 1 | 25 | 3.125 | 6.25/0.781 | |
| 1 | 12.5 | 1.563 | 3.125/0.391 | |
| 1 | 12.5 | 0.782 | 3.125/0.196 | |
| 3 | 12.5 | 1.563 | 6.25/0.781 | |
| PVL | 3 | 25 | 1.563 | 6.25/0.391 |
| 4 | 25 | 3.125 | 6.25/0.781 | |
| 2 | 25 | 0.781 | 6.25/0.195 | |
| 1 | 25 | 1.563 | 12.5/0.781 | |
*For the PRE/CuSO4 combinations the fixed ratio for each component is maintained as shown.