Table 1.
Oral antibiotics schedules in the oA and MoABP groups
| Oral antibiotic(s) | Administration schedule | oA (406 pts.) | MoABP (607 pts.) | p* | ||
|---|---|---|---|---|---|---|
| No | % | No | % | |||
|
Metronidazole (500 mg) Paromomycin (250 mg) |
Started 2 days preop., TID Started 2 days preop., BID |
118 | 29.1 | 29 | 4.8 | .006 |
|
Metronidazole (500 mg) Cefazolin (2000 mg) |
Started 1 day preop., TID Started 1 day preop., OD |
76 | 18.7 | 50 | 8.2 | .102 |
|
Metronidazole (500 mg) Trimethoprim (160 mg)/sulfamethoxazole (800 mg) |
Started 1 day preop., TID Started 1 day preop., TID |
68 | 16.7 | 61 | 10.0 | .267 |
|
Metronidazole (500 mg) Neomicin plus bacitracin (300 mg) |
Started 1 day preop., TID Started 1 day preop., TID |
47 | 11.6 | 6 | 0.9 | .419 |
|
Metronidazole (500 mg) Amoxicilline (1000 mg) |
Started 3 days preop., BID Started 3 days preop., BID |
25 | 6.2 | 5 | 0.8 | .623 |
|
Metronidazole (250 mg) Ciprofloxacin (500 mg) |
Started 1 day preop., TID Started 1 day preop., BID |
20 | 4.9 | 21 | 3.5 | .823 |
|
Metronidazole (500 mg) Rifaximin (400 mg) |
Started 7 days preop., TID Started 7 days preop., BID |
5 | 1.2 | 9 | 1.5 | .963 |
|
Metronidazole (250 mg) Amoxicilline (1000 mg) |
Started 1 day preop., BID Started 1 day preop., BID |
0 | 0 | 50 | 8.2 | n.e |
|
Metronidazole (250 mg) Rifaximin (200 mg) |
Started 1 day preop., TID Started 1 day preop., BID |
3 | 0.8 | 0 | 0 | n.e |
|
Metronidazole (500 mg) Rifaximin (200 mg) |
Started 1 day preop., BID Started 1 day preop., BID |
0 | 0 | 68 | 11.2 | n.e |
|
Metronidazole (1000 mg) Rifaximin (400 mg) |
Started 1 day preop., TID Started 1 day preop., TID |
0 | 0 | 11 | 1.8 | n.e |
|
Metronidazole (500 mg) Paromomycin (500 mg) Rifaximin (400 mg) |
Started 1 day preop., BID Started 1 day preop., BID Started 1 day preop., BID |
0 | 0 | 126 | 20.8 | n.e |
| Paromomycin (250 mg) | Started 4 days preop., QID | 44 | 10.8 | 0 | 0 | n.e |
| Paromomycin (1000 mg) | Started 1 day preop., OD | 0 | 0 | 37 | 6.1 | n.e |
| Rifaximin (400 mg) | Started 1 day preop., TID | 0 | 0 | 102 | 16.8 | n.e |
| Amoxicillin (1000 mg) | Started 3 days preop., TID | 0 | 0 | 17 | 2.8 | n.e |
| Neomicin plus bacitracin (300 mg) | Started 1 day preop., TID | 0 | 0 | 15 | 2.5 | n.e |
*OD once daily, BID 2 times per day, TID 3 times per day, (QID) 4 times per day, preop., preoperatively, n.e., test not executable because there are cells with insufficient values
at test for proportions comparison, oA oral antibiotics
bMoABP mechanical bowel preparation plus oral antibiotics