Table 2. Daptomycin minimum inhibitory concentration levels in MRSA and MSSA clinical isolates.
Organisms | MIC levels of the isolates (μg/mL) | MIC range (μg/mL) | MIC50 (μg/mL) | MIC90 (μg/mL) | Susceptibility (%) | |||||
≤0.19 | 0.25 | 0.38 | 0.5 | 1 | ≥2 | |||||
MRSA (n=30) | 2 | 7 | 5 | 8 | 6 | 2 | 0.19-2 | 0.38 | 1 | 93.3 |
HA-MRSA (n=22) | 1 | 4 | 4 | 7 | 4 | 2 | 0.19-2 | 0.5 | 1 | 90.9 |
CA-MRSA (n=8) | 1 | 3 | 1 | 1 | 2 | 0 | 0.19-1 | 0.25 | 0.5 | 100 |
MSSA (n=20) | 4 | 3 | 5 | 5 | 3 | 0 | 0.19-1 | 0.38 | 1 | 100 |