| TM | Tobramycin |
| TZ | Ceftazidime |
| FICI | Fractional Inhibitory Concentration Index |
| SBPI | Susceptibilty Breakpoint Index |
| NI | No Interaction |
| SYN | Synergy |
| MIC | Minimum Inhibitory Concentration |
| R | Biological replicate |
| cAv. | Average |
| TM | Tobramycin |
| TZ | Ceftazidime |
| FICI | Fractional Inhibitory Concentration Index |
| SBPI | Susceptibilty Breakpoint Index |
| NI | No Interaction |
| SYN | Synergy |
| MIC | Minimum Inhibitory Concentration |
| R | Biological replicate |
| cAv. | Average |