Table 1.
Susceptibilities (mg/L) of study organisms
| Isolate | Organism | CZA | CAZ | MEM | AMK | TOB | CIP | LVX | SXT | TGC | PMB |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | K. pneumoniae | 0.25 | 4 | >8 | ≤2 | ≤0.5 | ≤0.5 | ≤1 | ≤1 | 0.19 | 0.125 |
| 3 | Escherichia coli | 0.5 | ≤0.5 | >8 | ≤8 | ≤2 | ≤0.5 | ≤1 | ≤1 | 2 | 0.19 |
| 4 | K. pneumoniae | 0.38 | >16 | >8 | >32 | >8 | >2 | >4 | >2 | 1.5 | 0.38 |
| 6 | K. oxytoca | 0.94 | >16 | >8 | >32 | >8 | >2 | >4 | >2 | 3 | 0.38 |
| 10 | K. pneumoniae | 0.38 | >16 | >8 | 16 | >8 | >2 | >4 | >2 | 3 | 0.25 |
| 12 | K. pneumoniae | 0.75 | >16 | >8 | 32 | >8 | >2 | >4 | >2 | 1.5 | 0.38 |
| 14 | K. pneumoniae | 0.064 | >16 | >8 | 16 | >8 | >2 | >4 | >2 | 4 | 0.38 |
| 18 | K. pneumoniae | 0.25 | >16 | >8 | 32 | >8 | >2 | >4 | >2 | 1 | 0.38 |
| 20 | K. pneumoniae | 0.75 | >16 | >8 | 32 | >8 | >2 | >4 | >2 | 3 | 0.75 |
| 21 | K. pneumoniae | 0.064 | >16 | >8 | ≤2 | >8 | >2 | >4 | ≤1 | 3 | 0.38 |
| 22 | K. pneumoniae | 0.032 | ≤1 | >8 | ≤2 | ≤0.5 | ≤0.5 | ≤1 | ≤1 | 2 | 0.38 |
| 24 | K. pneumoniae | 0.75 | >16 | 8 | 16 | >8 | >2 | >4 | >2 | 3 | 0.38 |
| 30 | K. pneumoniae | 2 | >16 | >8 | 32 | >8 | >2 | >4 | >2 | 3 | 0.5 |
| 34 | K. pneumoniae | 0.75 | >16 | >8 | 32 | >8 | >2 | >4 | >2 | 2 | 0.5 |
| 35 | K. pneumoniae | 0.38 | >16 | >8 | ≤4 | >8 | >2 | >4 | >2 | 3 | 0.5 |
| 36 | K. pneumoniae | 3 | >16 | >8 | 32 | >8 | >2 | >4 | >2 | 0.38 | 1 |
| 38 | K. pneumoniae | 2 | >16 | >8 | 32 | >8 | >2 | >4 | >2 | 2 | 0.5 |
| 43 | K. pneumoniae | 0.5 | >16 | >8 | 32 | >8 | >2 | >4 | >2 | 3 | 0.38 |
| 45 | K. pneumoniae | 0.125 | >16 | >8 | 32 | >8 | >2 | >4 | >2 | 4 | 0.38 |
| 46 | E. coli | 1 | >16 | >8 | 16 | >8 | >2 | ≤1 | >2 | 3 | 2 |
| 4091 | K. pneumoniae | 0.047 | >16 | ≥16 | ≤2 | >16 | ≥4 | >4 | >320 | 0.75 | 0.19 |
| 4164 | K. oxytoca | 16 | >16 | >8 | ≤2 | 4 | >2 | 2 | >40 | 1.5 | 128 |
| 4234 | K. pneumoniae | 0.125 | 4 | ≥16 | ≤2 | ≤1 | 1 | ≤1 | 40 | 2 | 0.38 |
| 4299 | C. freundii | 0.19 | >16 | ≥16 | ≤2 | 8 | ≥4 | >4 | >320 | 6 | 0.38 |
| 4329 | K. pneumoniae | 0.5 | >16 | ≥16 | 4 | ≤1 | ≥4 | >4 | ≤20 | 1.5 | 0.75 |
| 1R | K. pneumoniae | 1.5 | >16 | >8 | >32 | ≤1 | >2 | >4 | >2 | 1.5 | 1 |
| 3R | K. pneumoniae | 0.047 | >16 | >8 | 32 | >8 | >2 | >4 | >2 | 3 | 0.5 |
| 5R | K. pneumoniae | 0.38 | 4 | >8 | >32 | 2 | ≤0.5 | ≤1 | ≤1 | 1.5 | 0.75 |
| 6R | K. oxytoca | 0.75 | >16 | >8 | 32 | >8 | >2 | >4 | >2 | 1 | 0.5 |
| 11R | K. pneumoniae | 0.19 | >16 | >8 | >32 | >8 | >2 | >4 | >2 | 3 | 0.38 |
CZA, ceftazidime/avibactam; CAZ, ceftazidime; MEM, meropenem; AMK, amikacin; TOB, tobramycin; CIP, ciprofloxacin; LVX, levofloxacin; SXT, trimethoprim/sulfamethoxazole; TGC, tigecycline; PMB, polymyxin B.