Table 2 Antibiotic resistance profile of uropathogenic Escherichia coli isolates based on O25 and O16 serogroup
Antimicrobial category | Antibiotics | O25 n = 20; (%) | O16 n = 4; (%) | p-value | ||
|---|---|---|---|---|---|---|
R | S | R | S | |||
Penicillins + b-lactamase inhibitors | Amoxicillin/Clavulanic | 3 (15) | 15 (75) | 3 (75) | 1 (25) | 0.113 |
Antipseudomonal penicillins + b-lactamase inhibitors | Piperacillin-tazobactam | 2 (10) | 18 (90) | 0 | 4 (100) | 0.518 |
Cephamycins | Cefoxitin | 6 (30) | 14 (70) | 1 (25) | 3 (75) | 0.844 |
Extended-spectrum cephalosporins | Ceftazidim | 10 (50) | 10 (50) | 2 (50) | 2 (50) | 1.000 |
Cefepime | 4(20) | 14 (70) | 0 | 4 (100) | 0.220 | |
| Â | Cefixim | 9 (45) | 11 (55) | 2 (50) | 2 (50) | 0.858 |
Carbapenem | Imipenem | 0 | 20 (100) | 0 | 4 (100) | 1.000 |
Meropenem | 0 | 20 (100) | 0 | 4 (100) | 1.000 | |
Sulfonamides | Trimethoprim/ sulfamethoxazole | 13(65) | 7 (35) | 3 (75) | 1 (25) | 0.705 |
Quinolones | Ciprofloxacin | 11 (55) | 8 (40) | 0 | 4 (100) | 0.035 |
Ofloxacin | 12 (60) | 8 (40) | 1(25) | 3 (75) | 0.209 | |
Nalidixic acid acid | 15 (75) | 5 (25) | 0 | 2 (50) | 0.651 | |
Norfloxacin | 12 (60) | 8 (40) | 0 | 4 (100) | 0.032 | |
Nitrofurans | Nitrofurantoin | 2 (10) | 17 (85) | 1 (25) | 3 (75) | 0.676 |
Aminoglycosides | Gentamicin | 7 (35) | 13 (65) | 0 | 4 (100) | 0.169 |
Amikacin | 0 | 19 (95) | 0 | 4 (100) | 0.655 | |