Table 6.
Antibiotic resistance of uropathogenic Escherichia coli classified by phylogenetic group
| Phylogenetic group B2 (n = 276) |
Phylogenetic group D (n = 62) |
p value | |
|---|---|---|---|
| Resistance | |||
| Amikacin | 2 (0.8%) | 0 (0.0%) | 0.999* |
| Amoxicillin/clavulanate | 118 (42.9%) | 9 (14.6%) | < 0.001 |
| Ampicillin | 210 (76.4%) | 47 (75.8%) | 0.926 |
| Aztreonam | 120 (43.6%) | 17 (27.4%) | 0.019 |
| Cefazolin | 134 (48.7%) | 18 (29.0%) | 0.005 |
| Cefepime | 120 (43.6%) | 17 (27.4%) | 0.019 |
| Cefotaxime | 124 (45.1%) | 18 (29.0%) | 0.022 |
| Cefoxitin | 25 (9.1%) | 5 (8.1%) | 0.804 |
| Ceftazidime | 121 (44.0%) | 16 (25.8%) | 0.008 |
| Ciprofloxacin | 139 (50.5%) | 14 (22.6%) | < 0.001 |
| Ertapenem | 0 | 0 | |
| Gentamicin | 94 (34.2%) | 17 (27.4%) | 0.315 |
| Imipenem | 0 | 0 | |
| Piperacillin/tazobactam | 25 (9.1%) | 3 (4.8%) | 0.276 |
| Tigecycline | 0 | 0 | |
| Trimethoprim/sulfamethoxazole | 102 (37.1%) | 30 (48.4%) | 0.100 |
| ESBL | 121 (44.0%) | 17 (27.4%) | 0.016 |
| ESBL double disk | 75 (27.2%) | 11 (17.7%) | 0.123 |
ESBL extended-spectrum beta-lactamase
*Fisher’s extract test