TABLE 2.
Antibiotic susceptibilities of P. aeruginosa and S. aureus isolates recovered in the BWC from 1996 to 1998a
| Organism and antibiotic | Percentb
|
No. of isolates tested | ||
|---|---|---|---|---|
| R | S | I | ||
| P. aeruginosa | ||||
| Imipenem-cilastin | 7.5 | 85 | 7.5 | 146 |
| Imipenem | 16.7 | 74.5 | 8.8 | 317 |
| Amikacin | 21.7 | 45.5 | 32.8 | 686 |
| Ceftazidime | 21.9 | 75.9 | 2.2 | 686 |
| Meropenem | 28.4 | 63.4 | 8.2 | 134 |
| Aztreonam | 29.2 | 51.5 | 19.3 | 685 |
| Cefepime | 48 | 38.6 | 13.4 | 171 |
| Piperacillin | 67.3 | 32.7 | 0 | 688 |
| Cefsulodin | 69.3 | 29.2 | 1.5 | 685 |
| Norfloxacin | 71.2 | 27 | 1.8 | 685 |
| Ticarcillin | 71.3 | 28.6 | 0.1 | 688 |
| Ciprofloxacin | 95.9 | 2.7 | 1.4 | 73 |
| S. aureus | ||||
| Vancomycin | 0 | 100 | 0 | 12 |
| Netilmicin | 0.6 | 98.9 | 0.6 | 544 |
| Minocycline | 1.6 | 98.2 | 0.2 | 546 |
| Trimethoprim-sulfamethoxazole | 4.7 | 94.7 | 0.5 | 551 |
| Oxacillin | 17.5 | 82.5 | 0 | 553 |
| Amoxicillin-clavulanic acid | 17.9 | 81.7 | 0.4 | 553 |
| Erythromycin | 38.6 | 60.3 | 1.1 | 544 |
| Penicillin V | 91.3 | 8.5 | 0.2 | 554 |
a
Determined by the Bauer-Kirby agar disk diffusion method.
b
R, resistant; S, sensitive; I, intermediate level of resistance.