Table 3. Operative Details of Patients in the MOABP and MBP Plus Placebo Groups.
| Characteristic | No. (%) | |
|---|---|---|
| MBP plus placebo (n = 288) | MOABP (n = 277) | |
| Anterior resection and anastomosis type | ||
| Colorectal anastomosis | ||
| Partial TME | 99 (34.4) | 97 (35.0) |
| Total TME | 165 (57.3) | 160 (57.8) |
| Coloanal anastomosis | 24 (8.3) | 20 (7.2) |
| Surgical approach | ||
| Open | 217 (75.3) | 210 (75.8) |
| Laparoscopic | 28 (9.7) | 26 (9.4) |
| Robotic | 34 (11.8) | 37 (13.4) |
| Laparoscopic or robotic converted to open | 9 (2.8) | 4 (1.5) |
| Perioperative details | ||
| Timing of preoperative IV antibiotic administration before incision, median (IQR), min | 26.0 (17.0-35.0) | 27.0 (18.0-36.0) |
| Duration of operation, median (IQR), min | 142.5 (119.0-186.0) | 143.0 (119.0-180.0) |
| Estimated intraoperative blood loss, median (IQR), mL | 150.0 (50.0-250.0)a | 150.0 (50.0-200.0) |
| Anastomotic height from anal verge, median (IQR), cm | 5.00 (4.0-7.0) | 5.0 (4.0-7.0) |
| Protective loop ostomy | ||
| Transversostomy | 193 (67.0) | 173 (62.5) |
| Ileostomy | 29 (10.1) | 23 (8.3) |
| No stoma | 66 (22.9) | 81 (29.2) |
Abbreviations: IV, intravenous; MBP, mechanical bowel preparation; MOABP, mechanical and oral antibiotics bowel preparation; TME, total mesorectal excision.
a
Data missing for 2 patients; patients with missing data were not included in calculations.