| aOR | Adjusted odds ratio |
| AST | Antimicrobial susceptibility testing |
| AUC | Area under the curve |
| BSI | Bloodstream infection |
| CI | Confidence interval |
| CP-KP | Carbapenemase-producing K. pneumoniae |
| CRE | Carbapenem-resistant Enterobacterales |
| CRKP | Carbapenem-resistant K. pneumoniae |
| CSKP | Carbapenem-susceptible K. pneumoniae |
| ESBL | Extended-spectrum beta-lactamase |
| EPV | Events per variable |
| EUCAST | European Committee on Antimicrobial Susceptibility Testing |
| ICU | Intensive care unit |
| IMP | Imipenemase metallo-beta-lactamase |
| IQR | Interquartile range |
| KPC | K. pneumoniae carbapenemase |
| MBL | Metallo-beta-lactamase |
| MDR | Multidrug-resistant |
| MIC | Minimum inhibitory concentration |
| NDM | New Delhi metallo-beta-lactamase |
| OR | Odds ratio |
| OXA-48-like | Oxacillinase-48-like carbapenemase |
| PCR | Polymerase chain reaction |
| PK/PD | Pharmacokinetic/pharmacodynamic |
| qSOFA | Quick Sequential Organ Failure Assessment |
| ROC | Receiver operating characteristic |
| RR | Risk ratio |
| SIR | Susceptible/increased exposure/resistant interpretation |
| SOFA | Sequential Organ Failure Assessment |
| TMP-SMX | Trimethoprim-sulfamethoxazole |
| UTI | Urinary tract infection |
| VAP | Ventilator-associated pneumonia |
| VIM | Verona integron-encoded metallo-beta-lactamase |
| XDR | Extensively drug-resistant |