| MET | P/T | IMI | CD | PEN | |
| Gramnegativos (n=361) | 100 | 81 | 100 | – | – |
| Cocos grampositivos (n=97) | 100 | – | – | 90 | 100 |
| Clostridium spp. (n=36) | 100 | – | 100 | 70 | 93 |
MET: metronidazol, P/T: piperacilina/tazobactam, IMI: imipenem, CD: clindamicina, PEN: penicilina
| MET | P/T | IMI | CD | PEN | |
| Gramnegativos (n=361) | 100 | 81 | 100 | – | – |
| Cocos grampositivos (n=97) | 100 | – | – | 90 | 100 |
| Clostridium spp. (n=36) | 100 | – | 100 | 70 | 93 |
MET: metronidazol, P/T: piperacilina/tazobactam, IMI: imipenem, CD: clindamicina, PEN: penicilina