| Drug | Sensitive n (%) | Intermediate n (%) | Resistant n (%) |
| Cefepime | 37 (37.4) | 7 (7.1) | 55 (55.6) |
| Ceftazidime | 29 (29.3) | 5 (5.1) | 65 (65.7) |
| Piperacillin | 27 (27.3) | 3 (3.0) | 69 (69.7) |
| Ticarcillin-clavulanate | 23 (23.2) | 8 (8.1) | 68 (68.7) |
| Aztreonam | 26 (26.3) | 10 (10.1) | 63 (63.6) |
| Levofloxacin | 38 (38.4) | 3 (3.0) | 58 (58.6) |
| Ofloxacin (n = 22) | 3 (13.6) | 0 | 19 (86.4) |
| Meropenem (n = 97) | 24 (24.7) | 3 (3.1) | 70 (72.2) |
| Imipenem (n = 97) | 34 (35.1) | 0 | 63 (64.9) |