Table 2. Comparison of resistance rates of Bacteroides fragilis and other Bacteroides spp. isolates by hospital.
| Antimicrobial agent | Resistance rates (%) of B. fragilis/resistance rates (%) of other B. fragilis group isolates | |||
|---|---|---|---|---|
| CU (23/14)* | YU (22/24) | UU (17/16) | YW (21/10) | |
| Piperacillin | 52/57 | 23/79 | 53/50 | 67/20 |
| Piperacillin-tazobactam | 0/0 | 0/13 | 6/0 | 0/0 |
| Cefoxitin | 0/0 | 5/17 | 12/25 | 0/0 |
| Cefotetan | 22/57 | 9/75 | 18/63 | 33/50 |
| Imipenem | 0/0 | 0/8 | 18/0 | 0/0 |
| Meropenem | 4/0 | 5/0 | 18/0 | 0/0 |
| Clindamycin | 48/98 | 41/92 | 59/75 | 62/50 |
| Moxifloxacin | 22/57 | 5/17 | 12/13 | 10/20 |
| Chloramphenicol | 0/0 | 0/0 | 0/0 | 0/0 |
| Metronidazole | 0/0 | 0/0 | 0/0 | 0/0 |
*Number of B. fragilis/other B. fragilis group isolates.
Abbreviations: CU, the Catholic University of Korea; YU, Yonsei University College of Medicine; UU, University of Ulsan College of Medicine; YW, Yonsei University Wonju College of Medicine.