Table 5 Antimicrobial susceptibility of Gram-negative isolates
|  | Acinetobacter baumannii (N = 6) | Escherichia coli (N = 6) | Klebsiella pneumoniae (N = 3) | Klebsiella oxytoca (N = 2) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
n | S | I | R | n | S | I | R | n | S | I | R | n | S | I | R | |
Piperacillin | 6 |  |  | 6 (100%) | – |  |  |  | – |  |  |  | – |  |  |  |
Piperacillin Tazobactam | 6 | Â | Â | 6 (100%) | 6 | 5 (83.3%) | 1 (16.7%) | Â | 3 | Â | Â | 3 (100%) | 2 | 1 (50%) | Â | 1 (50%) |
Cefazolin | – |  |  |  | 6 | 1 (16.7) |  | 5 (83.3%) | 3 |  |  | 3 (100%) | 2 |  |  | 2 (100%) |
Cefuroxime | – |  |  |  | 6 | 1 (16.7%) |  | 5 (83.3%) | 3 |  |  | 3 (100%) | 2 | 1 (50%) |  | 1 (50%) |
Ceftriaxone | – |  |  |  | 5 | 2 (40%) |  | 3 (60%) | 3 |  |  | 3 (100%) | 2 |  |  | 2 (100%) |
Ceftazidime | 6 | 1 (16.7%) | Â | 5 (83.3%) | 6 | 4 (66.7%) | Â | 2 (33.3%) | 3 | Â | Â | 3 (100%) | 2 | 1 (50%) | Â | 1 (50%) |
Cefepime | 6 | Â | Â | 6 (100%) | 6 | 3 (50%) | Â | 3 (50%) | 3 | Â | Â | 3 (100%) | 2 | Â | 1 (50%) | 1 (50%) |
Cefoxitin | – |  |  |  | 6 | 5 (83.3%) | 1 (16.7%) |  | 3 |  |  | 3 (100%) | 2 | 1 (50%) |  | 1 (50%) |
Cefoperazone Sulbactam | 6 | Â | Â | 6 (100%) | 6 | 4 (66.7%) | 1 (16.7%) | 1 (16.7%) | 3 | Â | Â | 3 (100%) | 2 | Â | 1 (50%) | 1 (50%) |
Aztreonam | – |  |  |  | 5 | 1 (20%) | 1 (20%) | 3 (60%) | 2 |  |  | 2 (100%) | 1 |  |  | 1 (100%) |
Amikacin | 6 | 1 (16.7%) | Â | 5 (83.3%) | 6 | 6 (100%) | Â | Â | 3 | 1 (33.3%) | Â | 2 (66.7%) | 2 | 1 (50%) | Â | 1 (50%) |
Tobramycin | 6 | 1 (16.7%) |  | 5 (83.3%) | – |  |  |  | – |  |  |  | – |  |  |  |
Ciprofloxacin | 6 | 1 (16.7%) | Â | 5 (83.3%) | 5 | Â | Â | 5 (100%) | 2 | Â | Â | 2 (100%) | 1 | Â | 1Â (100%) | Â |
Levofloxacin | 6 | 1 (16.7%) | Â | 5 (83.3%) | 6 | 1 (16.7%) | 1 (16.7%) | 4 (66.7%) | 3 | Â | Â | 3 (100%) | 2 | Â | 1 (50%) | 1 (50%) |
Compound Sulfamethoxazole | 6 |  | 2 (33.3%) | 4 (66.7%) | – |  |  |  | – |  |  |  | – |  |  |  |
Meropenem | 6 | Â | Â | 6 (100%) | 6 | 6 (100%) | Â | Â | 3 | Â | Â | 3 (100%) | 2 | 1 (50%) | Â | 1 (50%) |
Imipenem | 6 | Â | Â | 6 (100%) | 6 | 6 (100%) | Â | Â | 3 | Â | Â | 3 (100%) | 2 | 1 (50%) | Â | 1 (50%) |
Minocycline | 6 | 5 (83.3%) |  | 1 (16.7%) | – |  |  |  | – |  |  |  | – |  |  |  |
Tigecycline | 2 | 2 (100%) |  |  | – |  |  |  | 2 | 2 (100%) |  |  | – |  |  |  |