Table 3.
Antibiotic Susceptibility of Gram-Negative Bacteria
| Antibiotics | Acinetobacter baumannii | Klebsiella pneumonia | Pseudomonas aeruginosa | Enterobacter cloacae | Stenotrophomonas maltophilia | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| n | %S | n | %S | n | %S | n | %S | n | %S | |
| Amikacin | 58 | 57.9 | 36 | 72.2 | 16 | 62.5 | 6 | 100 | - | − |
| Ampicillin-sulbactam | 58 | 5.9 | 36 | 21.4 | - | - | 6 | 0 | - | − |
| Aztreonam | 58 | 21.7 | 36 | 38.9 | 16 | 56.3 | 6 | 66.7 | - | − |
| Cefazolin | 58 | 0 | 36 | 0 | 16 | 0 | 6 | 0 | - | − |
| Cefepime | 58 | 2.9 | 36 | 50 | 16 | 37.5 | 6 | 50 | - | − |
| Cefotaxime | 58 | 17.4 | 36 | 52 | 16 | 37.5 | 6 | 100 | - | − |
| Ceftazidime | 58 | 2.9 | 36 | 28.6 | 16 | 37.5 | 6 | 50 | - | − |
| Ceftriaxone | 58 | 7 | 36 | 38.9 | 16 | 37.5 | 6 | 83.3 | - | − |
| Ciprofloxacin | 58 | 14 | 36 | 38.9 | 16 | 50 | 6 | 83.3 | - | − |
| Ertapenem | 58 | 39.1 | 36 | 72.2 | 16 | 62.5 | 6 | 100 | - | − |
| Gentamicin | 58 | 17.5 | 36 | 58.3 | 16 | 62.5 | 6 | 83.3 | - | − |
| Levofloxacin | 58 | 30.4 | 36 | 50 | 16 | 62.5 | 6 | 100 | 2 | 50 |
| Meropenem | 58 | 15.8 | 36 | 72.2 | 16 | 50 | 6 | 100 | - | − |
| Moxifloxacin | 58 | 30.4 | 36 | 50 | 16 | 62.5 | 6 | 100 | - | − |
| Piperacillin-tazobactam | 58 | 2.9 | 36 | 42.9 | 16 | 37.5 | 6 | 50 | - | − |
| Tigecycline | 58 | 52.6 | 36 | 80.6 | 16 | 25 | 6 | 83.3 | - | − |
| Trimethoprim-sulfamethoxazole | 58 | 52.6 | 36 | 44.4 | 16 | 50 | 6 | 83.3 | 2 | 50 |
Abbreviations: %S, percentage susceptibility; n, number of isolate tested to certain antimicrobial drugs; −, not tested.