| Antibiotics | Test results | |
| Susceptibility n (%) | Resistance n | |
| Amoxicillin/clavulanic acid (n = 30) | 5 (16.7) | 25 |
| Ticarcilline (n = 18) | 0 (0) | 18 |
| Imipenem (n = 25) | 25 (100) | 0 |
| Cephalothin (n = 17) | 1 (5.9) | 16 |
| Ceftriaxone (n = 25) | 13 (52.0) | 12 |
| Ceftazidime (n = 23) | 10 (43.5) | 13 |
| Gentamycin (n = 26) | 9 (34.6) | 17 |
| Amikacin (n = 25) | 24 (96.0) | 1 |
| Kanamycin (n = 8) | 5 (62.5) | 3 |
| Nalidixic acid (n = 24) | 5 (20.8) | 19 |
| Ciprofloxacin (n = 24) | 10 (41.7) | 14 |
| Ofloxacin (n = 15) | 8 (53.3) | 7 |
| Colistin (n = 20) | 20 (100) | 0 |
| Sulfamide (n = 20) | 2 (10.0) | 18 |