Table 2 Antimicrobial susceptibility of ESBL-producing Escherichia coli isolates from different areas
Antimicrobial agent | Hainan (n = 19) | Hebei (n = 21) | Chongqing (n = 30) | Henan (n = 30) | Tianjin (n = 30) |
|---|---|---|---|---|---|
Ampicillin | 100 | 100 | 100 | 100 | 100 |
Piperacillin | 100 | 100 | 100 | 100 | 93.3 |
Cefotaxime | 94.7 | 100 | 100 | 100 | 90 |
Cefepime | 68.4 | 95.2* | 93.3 | 90 | 83.3 |
Cefuroxime | 100 | 100 | 100 | 100 | 96.7 |
Cefoxitin | 15.8 | 23.8 | 36.7 | 16.7 | 20 |
Ceftazidime | 26.3 | 61.9* | 56.7* | 63.3* | 53.3 |
Aztreonam | 5.3 | 61.9** | 73.3** | 76.7** | 60** |
Imipenem | 0 | 0 | 3.3 | 6.7 | 0 |
Meropenem | 0 | 0 | 6.7 | 0 | 0 |
Amoxicillin/Clavulanic acid | 84.2 | 9.5** | 43.3** | 50* | 20** |
Ampicillin/Sulbactam | 73.7 | 71.4 | 80 | 83.3 | 76.7 |
Piperacillin/Tazobactam | 5.3 | 0 | 23.3 | 3.3 | 6.7 |
Trimethoprim-sulfamethoxazole | 78.9 | 85.7 | 83.3 | 83.3 | 73.3 |
Ciprofloxacin | 68.4 | 90.5 | 70 | 76.7 | 60 |
Levofloxacin | 47.4 | 90.5** | 70 | 76.7* | 60 |
Amikacin | 5.3 | 0 | 16.7 | 6.7 | 6.7 |
Gentamycin | 52.6 | 85.7* | 63.3 | 66.7 | 76.7 |