Characteristics | Number | % | Infection | Rate* |
---|---|---|---|---|
Antibiotic prophylaxis (N = 2139) | ||||
No | 167 | 7.8 | 5 | 3.0 |
Yes | 1972 | 92.2 | 21 | 1.1 |
Time of first antibiotic dose administration (N = 1972) | ||||
>1 hour preoperatively | 1004 | 50.9 | 8 | 0.8 |
≤ 1 hour preoperatively | 767 | 38.9 | 9 | 1.2 |
Intraoperatively | 47 | 2.4 | 0 | 0.0 |
Postoperatively | 154 | 7.8 | 4 | 2.6 |
Antibiotic agent (N = 1972) | ||||
Combination Metronidazole and Gentamicin | 1266 | 64.2 | 13 | 1.0 |
Single dose combination | 766 | 38.8 | 8 | 1.0 |
Combination within 1 day | 130 | 6.6 | 1 | 0.8 |
Combination > 1 day | 370 | 18.8 | 4 | 1.1 |
Others** | 706 | 35.8 | 8 | 1.1 |
Single dose | 108 | 5.5 | 2 | 1.9 |
Multiple dose or combination within 1 day | 155 | 7.9 | 1 | 0.6 |
Combination > 1 day | 443 | 22.4 | 5 | 1.1 |
Duration of antibiotic prophylaxis*** (N = 2139) | ||||
None | 167 | 7.8 | 5 | 3.0 |
1 day | 1159 | 54.2 | 12 | 1.0 |
>1 day | 813 | 38.0 | 9 | 1.1 |