Table 4.
Ceftolozane-tazobactam activity in P. aeruginosa isolates resistant to different antimicrobials, including multidrug resistant ones.
| Antimicrobial resistance | No. of isolates | No. of resistant isolates (%) | No. of ceftolozane susceptible isolates (%) |
|---|---|---|---|
| Piperacillin-tazobactam | 925 | 307 (33.2) | 248 (80.8) |
| Ceftazidime | 925 | 261 (28.2) | 199 (76.3) |
| Cefepime | 925 | 256 (27.7) | 193 (75.4) |
| Imipenem | 925 | 227 (24.5) | 174 (76.7) |
| Meropenem | 925 | 105 (11.3) | 58 (55.3) |
| Ceftazidime-avibactama | 217 | 13 (5.9) | 4 (30.8) |
| Piperacillin-tazobactam, ceftazidime | 925 | 243 (26.2) | 187 (77.0) |
| Imipenem, meropenem | 925 | 99 (10.7) | 55 (55.5) |
| Piperacillin-tazobactam, ceftazidime, meropenem | 925 | 75 (8.1) | 33 (44.0) |
| Piperacillin-tazobactam, ceftazidime, imipenem, meropenem | 925 | 72 (7.7) | 33 (45.9) |
| Piperacillin-tazobactam, ceftazidime, imipenem, meropenem, ceftazidime-avibactam | 217 | 9 (4.1) | 2 (22.3) |
a
Data are only for 2018