TABLE 2.
Single-step resistance selection of EP for S. aureus USA300.
| Antimicrobial | Spontaneous resistance frequency |
|
| 2 × MIC | 4 × MIC | |
| EP | 1.49(± 0.95) × 10–9 | < LOD |
| RFP | 4.97(± 4.64) × 10–8 | 2.85(± 2.00) × 10–9 |
LOD: limit of detection (∼1 × 10–10).
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