Table 4.
FICI values obtained from PIP-TAZ, FOS, CAZ-AVI, IMI-REL or MER-VAB in combination with SULB against CR strains included in this study. FICI values in synergistic range are reported in bold.
| Isolates | PIP-TAZ/ SULB 1 |
FOS/ SULB 2 |
CAZ-AVI/ SULB 3 |
IMI-REL/ SULB 4 |
MER-VAB/ SULB 5 |
|---|---|---|---|---|---|
| CRE 1 | 2.00 | 0.75 | 0.35 | 1.50 | 1.25 |
| CRE 2 | 2.00 | 1.25 | 0.71 | 1.25 | 0.56 |
| CR-Ab 1 | 2.00 | 2.25 | 2.00 | 2.00 | 1.00 |
| CR-Ab 2 | 2.00 | 1.00 | 0.83 | 1.75 | 0.88 |
| CR-Pa 1 | 1.00 | 2.00 | 1.17 | 2.00 | 1.75 |
| CR-Pa 2 | 1.00 | 2.00 | 0.88 | 2.00 | 2.00 |
1 PIP-TAZ/SULB, piperacillin-tazobactam/sulbactam; 2 FOS/SULB, fosfomycin/sulbactam; 3 CAZ-AVI/SULB, ceftadidime-avibactam/sulbactam; 4 IMI-REL/SULB, imipenem-relebactam/sulbactam; 5 MER-VAB/SULB, meropenem-vaborbactam/sulbactam.