Antimicrobial agent |  | A. baumannii(n = 101) | P. aeruginosa(n = 15) | |||||||
---|---|---|---|---|---|---|---|---|---|---|
Breakpoint forresistancea(mg/L) | %Resistance | Range(mg/L) | MIC50(mg/L) | MIC90(mg/L) | Breakpoint forresistancea(mg/L) | %Resistance | Range(mg/L) | MIC50(mg/L) | MIC90(mg/L) | |
Amikacin | ≥64 | 85 | <2- > 1024 | >1024 | >1024 | ≥64 | 60 | <2- > 1024 | 64 | >1024 |
Arbekacin | - | - | <2- > 1024 | >1024 | >1024 | - | - | 2- > 1024 | 2 | >1024 |
Aztreonam | - | - | <2- > 256 | 128 | >256 | ≥32 | 46 | 4- > 256 | 16 | >256 |
Ceftazidime | ≥32 | 55 | <4- > 512 | >512 | >512 | ≥32 | 46 | <4- > 512 | 16 | >512 |
Ciprofloxacin | ≥4 | 98 | <1- > 128 | 128 | >128 | ≥4 | 66 | <1-64 | 8 | 32 |
Colistin | ≥4 | 6 | <0.25-4 | 2 | 2 | ≥8 | 0 | <0.25-0.5 | <0.25 | 0.5 |
Gentamicin | ≥16 | 91 | <2- > 1024 | >1024 | >1024 | ≥16 | 66 | <2- > 1024 | 256 | >1024 |
Imipenem | ≥16 | 48 | <4-128 | 16 | 32 | ≥8 | 53 | <4-64 | 16 | 32 |
Meropenem | ≥16 | 51 | <4- > 256 | 32 | 64 | ≥8 | 53 | <4-32 | 16 | 32 |
Piperacillin | ≥128 | 100 | <4- > 512 | >512 | >512 | ≥128 | 46 | <4- > 512 | 32 | 256 |
Piperacillin/Tazobactam | ≥128/4 | 52 | <4- > 512 | 256 | 512 | ≥128/4 | 13 | <4-512 | 32 | 128 |