Table 5: Percentage of steady-state serum piperacillin concentrations above the minimum inhibitory concentration for various minimum inhibitory concentrations at certain concentrations above the minimum inhibitory concentration.
| Css/MIC | MIC μg/mL | |||||
| 2 | 4 | 8 | 16 | 32 | 64 | |
| 2x MIC | 100% | 100% | 96% | 82% | 29% | 11% |
| 3x MIC | 100% | 100% | 93% | 46% | 11% | 7% |
| 4x MIC | 100% | 96% | 79% | 14% | 11% | 0% |
| 5x MIC | 100% | 93% | 46% | 11% | 7% | 0% |