Table 5.
Resistance pattern of gram-negative isolates.
| Antibiotic tested | Resistance pattern of isolated Gram-negative bacteria n (%) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Classes | Antibiotics | Acinetobacter spp(N = 12) | Pseudomonas spp(N = 24) | K.P(N = 10) | E.coli(N = 21) | Serratia(N = 6) | P. mirabilis (N = 4) | P. vulgaris(N = 4) | Citrobacter spp(N = 4) |
| Aminoglycosides | AMK | 10 (83.3) | 11 (45.8) | 5 (50 | 5 (28.8) | 2(33.3) | 2 (50) | 2 (50) | 0 |
| TOB | 12 (83.3) | 21 (87.5) | 7 (70) | 19 (90.5 | 5 (83.3) | 4 (100) | 3 (75) | 3 (75) | |
| Tetracycline | DO | 11 (91.7) | 23 (95.8) | 10 (100) | 18 (86) | 6 (100) | 4 (100) | 3 (75) | 3 (75) |
| Quinolones | CPR | 8 (66.7) | 13 (54.2) | 4 (40) | 8 (38.0) | 5(83.3) | 2 (50) | 2 (50) | 2 (50) |
| Sulfonamides | SXT | 10 (83.3) | 21 (87.5) | 9 (90) | 19 (90) | 5(83.3) | 2 (50) | 4 (100) | 4 (100) |
| Chloramphenicol | CHL | 8 (66.7) | 16 (66.7) | 3 (30) | 2 (9.5) | 6(100) | 2 (50) | 0 | 2 (100) |
| Monobactam | ATM | 7 (58.3) | 13 (54.2) | 2 (20) | 5 (28.8) | 2 (33.3) | 2 (50) | 3 (75) | 0 |
| Polymyxin | PB | 12 (100) | 24 (100) | 10 (100) | 21 (100) | 6 (100) | 4 (100) | 4 (100) | 4 (100) |
| Cephalosporins | CXT | 11 (91.6) | 24 (100) | 10 (100) | 20 95.2) | 6(100) | 4(100) | 4(50) | 4(100) |
| CFP | 12 (100) | 24 (100) | 10 (100) | 21 (100) | 6 (100) | 4 (100) | 4 (100) | 4 (100) | |
| CTR | 12 (100) | 20 (83.3) | 6 (60) | 11 (52) | 6 (100) | 3 (75) | 1 (25) | 2 (50) | |
| CTX | 11 (8.3) | 21 (87.5) | 8 (80) | 15 (74) | 6 (100) | 3 (75) | 1 (25) | 3 (75) | |
| CAZ | 7 (58.3) | 13 (54.2) | 4 (40) | 7 (33.3) | 3 (33) | 3 (75) | 0 | 0 | |
| Beta-lactam Inhibitors | TZP | 6 (50) | 16 (66.7) | 4 (40) | 7 (33.3) | 2(33.3) | 2 (50) | 0 | 2 (50) |
| SAM | 12 (100) | 24 (100) | 10 (100) | 21 (100) | 6 (100) | 4 (100) | 4 (100) | 4 (100) | |
| AUG | 12 (100) | 24 (100) | 10 (100) | 21 (100) | 6 (100) | 4 (100) | 4 (100) | 4 (100) | |
| Carbapenem | IMI | 6 (50) | 11 (45.8) | 6 (60) | 5 (23.8) | 4 (66.6) | 1 (25) | 0 | 0 |
| MER | 7 (58.3) | 9 (37.5) | 4(40) | 6 (28.5) | 3 (50) | 1(25) | 1(25) | 0 | |
AMK, Amikacin; TOB, Tobramycin; DO, Doxycycline; CPR, Ciprofloxacin; SXT, Trimethoprim-sulfamethoxazole; FEP, Cefepime; TZP, Piperacillin-Tazobactam; SAM, Ampicillin-Sulbactam; AUG, Augmentin; CTR, Ceftriaxone; CTX, Cefotaxime; CAZ, Ceftazidime; IMI, Imipenem; MER, Meropenem; ATM, Aztreonam.