Table 4. Antibiotic susceptibility of Escherichia coli isolated from Korean patients with uncomplicated cystitis.
| Antimicrobial agent | Year of study | ||||
|---|---|---|---|---|---|
| 2006/2002 [40] | 2008 [38] | 2009 [37] | 2010–2014 [41] | 2013–2015 [42] | |
| Ampicillin | 35.2/37.2 | 46.7 | 38.5 | 35.3 | 30.4 |
| Ampicillin/sulbactam | 52.4/44.5 | 83.5 | - | - | - |
| Amoxicillin/clavulanate | - | - | 80.7 | 84.5 | 64.6 |
| Piperacillin/tazobactam | 98.6/97.4 | 98.8 | - | 96 | 94.8 |
| Ciprofloxacin | 76.6/84.8 | 79.6 | 74.6 | 58.3 | 73.6 |
| Gatifloxacin | 78.2/NA | - | - | - | - |
| Cefazolin | 92.4/92.2 | - | 86 | 83.8 | 72.1 |
| Amikacin | 99.5/99.0 | 99.1 | 99.5 | 100 | 99.5 |
| Gentamicin | 77.6/81.7 | 79.8 | 76.6 | 69.1 | 72.3 |
| Tobramycin | 78.2/85.9 | 82.9 | 80.9 | 74.8 | - |
| TMP/SMX | 70.6/61.3 | 67 | 67.3 | 66 | 61.6 |
| Cefuroxime | - | - | 86.1 | - | - |
| Ceftriaxone | - | 95.3 | 94.7 | - | - |
| Ertapenem | - | - | - | 100 | 99.8 |
| Imipenem | - | - | - | 100 | 99.5 |
| Cefoxitin | - | - | - | 92.9 | 89.8 |
| Cefepime | - | 95.3 | - | 92.3 | 77.6 |
| Ceftazidime | - | - | - | 93.1 | 76.1 |
| Cefotaxime | - | 95.1 | - | 87.3 | 75.8 |
| Aztreonam | - | 97.1 | - | 90.7 | - |
TMP, trimethoprim; SMX, sulfamethoxazole.
Results are shown as percentages.