Table 1. An antimicrobial susceptibility testing of 41 extended-spectrum beta-lactamases producing isolates of Klebsiella pneumoniae.
| Antibiotic agent | Number (%) of isolates | ||
|---|---|---|---|
| Resistance | Intermediate | Susceptible | |
| Amoxicillin/clavulanate | 18 (43.9) | 0 (0.0) | 23 (56.1) |
| Aztreonam | 39 (95.1) | 0 (0.0) | 2 (4.9) |
| Cefotaxime | 40 (97.6) | 0 (0.0) | 1 (2.4) |
| Ceftazidime | 41 (100.0) | 0 (0.0) | 0 (0.0) |
| Ceftriaxone | 38 (92.7) | 0 (0.0) | 3 (7.3) |
| Chloramphenicol | 17 (41.5) | 3 (7.3) | 21 (51.2) |
| Ciprofloxacin | 11 (26.8) | 0 (0.0) | 30 (73.2) |
| Gentamicin | 19 (46.3) | 3 (7.4) | 19 (46.3) |
| Imipenem | 0 (0.0) | 0 (0.0) | 41 (100.0) |
| Levofloxacin | 9 (22.0) | 2 (4.9) | 30 (73.1) |
| Nitrofurantoin | 9 (22.0) | 0 (0.0) | 32 (78.0) |
| Norfloxacin | 0 (0.0) | 0 (0.0) | 41 (100.0) |
| Tetracycline | 29 (70.7) | 0 (0.0) | 12 (29.3) |
| Trimethoprim | 27 (65.9) | 0 (0.0) | 14 (34.1) |