| Active principle | Intervention | Percentage on intervention with indicated molecule (n. 9.177) |
| Cefazolin | 3626 | 40% |
| Ampicillin and enzymatic inhibitors | 1512 | 16% |
| Metronidazole | 976 | 11% |
| Cefuroxime | 891 | 10% |
| Ceftriaxone | 804 | 9% |
| Others | 528 | 29% |