Table 3.
Antibiotic susceptibility of XDR K. pneumoniae isolates.
| Antibiotics | MIC (mg/L) | Percentage | ||
|---|---|---|---|---|
| MIC50 | MIC90 | Range | Susceptible/Non-susceptible | |
| β-lactams | ||||
| CAZ | 128 | >128 | 64 to >128 | 0/100 |
| CTX | >128 | >128 | 32 to >128 | 0/100 |
| β-lactam/Inhibitor | ||||
| SAM | 64 | >128 | 64 to >128 | 0/100 |
| TZP | >128 | >128 | 64 to >128 | 0/100 |
| Carbapenems | ||||
| IPM | 64 | 64 | 8 to >64 | 0/100 |
| MEM | >64 | >64 | 1 to >64 | 2.9/97.1 |
| ETP | >64 | >64 | 4 to >64 | 0/100 |
| Aminoglycosides | ||||
| AMK | >256 | >256 | 1 to >256 | 5.7/94.3 |
| GEN | >256 | >256 | 8 to >256 | 0/100 |
| TOB | 256 | >256 | 2 to >256 | 5.7/94.3 |
| Quinolones | ||||
| CIP | 32 | 64 | 1 to 128 | 2.9/97.1 |
| LEV | 16 | 64 | 4 to 64 | 0/100 |
| Other | ||||
| FOS | >512 | >512 | 64 to >512 | 0/100 |
| PB | 1 | 1 | 0.25 to 128 | 94.3/5.7 |
| TGC | 0.5 | 1 | 0.25 to 1 | 100/0 |
CAZ, ceftazidime; CTX, cefotaxime; SAM, ampicillin/sulbactam; TZP, piperacillin/tazobactam; IPM, imipenem; MEM, meropenem; ETP, ertapenem; AMK, amikacin; GEN, gentamicin; TOB, tobramycin; CIP, ciprofloxaxin; LEV, levofloxacin; FOS, fosfomycin; PB, polymyxin B; TGC, tigecycline.