Table 1.
Antibiotic susceptibility in imipenem susceptible and non-susceptible P. aeruginosa isolates.
| Antibiotic | Imipenem susceptible (n=93) | Imipenem non-susceptible (n=67) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sensitive | Intermediate | Resistant | Sensitive | Intermediate | Resistant | |||||||
| No. | (%) | No. | No. | (%) | No. | (%) | No. | (%) | No. | (%) | ||
| Amikacin | 73 | (78.5) | 1 | (1.1) | 19 | (20.4) | 6 | (9) | - | - | 61 | (91) |
| Aztreonam | 40 | (43) | 24 | (25.8) | 29 | (31.2) | 3 | (4.5) | 3 | (4.5) | 61 | (91) |
| Ceftazidime | 68 | (73.1) | 2 | (2.1) | 23 | (24.7) | 8 | (11.9) | 3 | (4.5) | 56 | (83.6) |
| Ciprofloxacin | 58 | (62.4) | 2 | (2.1) | 33 | (35.5) | 5 | (7.5) | 2 | (3) | 60 | (89.5) |
| Cephalexin | 35 | (37.6) | 2 | (2.1) | 56 | (60.2) | 5 | (7.5) | 1 | (1.5) | 61 | (91) |
| Cefepime | 65 | (69.9) | 2 | (2.1) | 26 | (28) | 4 | (6) | 2 | (3) | 61 | (91) |
| Ceftriaxon | 14 | (15) | 6 | (6.5) | 73 | (78.5) | 3 | (4.5) | 3 | (4.5) | 61 | (91) |
| Cefotaxime | 35 | (37.6) | 1 | (1.1) | 57 | (61.3) | 3 | (4.5) | 9 | (13.4) | 55 | (82.1) |
| Gentamicin | 58 | (62.4) | 2 | (2.1) | 33 | (35.5) | 4 | (6) | 2 | (3) | 61 | (91) |
| Meropenem | 87 | (93.4) | 5 | (5.4) | 1 | (1.2) | 4 | (6) | 1 | (1.5) | 62 | (92.5) |
| Norfloxacin | 48 | (51.6) | 4 | (4.3) | 41 | (44.1) | 7 | (10.4) | 4 | (6) | 56 | (83.6) |
| Piperacillin/tazobactam | 76 | (81.7) | 7 | (7.5) | 10 | (10.8) | 4 | (6) | 2 | (3) | 61 | (91) |