Table 2.
Postoperative clinical outcomes by preoperative bowel preparation
| Overall (n = 20 594) | OABP alone (n = 2018) | MBP + OABP (n = 18 576) | P † | |
|---|---|---|---|---|
| Any postoperative complication | 3649 (17·7) | 426 (21·1) | 3223 (17·3) | < 0·001 |
| Postoperative complication | ||||
| Superficial SSI | 609 (3·0) | 84 (4·2) | 525 (2·8) | 0·001 |
| Deep SSI | 124 (0·6) | 16 (0·8) | 108 (0·6) | 0·244 |
| Open space SSI | 611 (3·0) | 80 (4·0) | 531 (2·9) | 0·005 |
| Any SSI | 1288 (6·3) | 171 (8·5) | 1117 (6·0) | < 0·001 |
| Wound dehiscence | 99 (0·5) | 10 (0·5) | 89 (0·5) | 0·919 |
| Anastomotic leak | 495 of 20 564 (2·4) | 56 of 2015 (2·8) | 439 of 18 549 (2·4) | 0·251 |
| Postoperative ileus | 2132 of 20 581 (10·4) | 254 of 2017 (12·6) | 1878 of 18 564 (10·1) | 0·001 |
| Pneumonia | 197 (1·0) | 25 (1·2) | 172 (0·9) | 0·170 |
| Prolonged ventilation | 126 (0·6) | 16 (0·8) | 110 (0·6) | 0·272 |
| UTI | 373 (1·8) | 39 (1·9) | 334 (1·8) | 0·667 |
| Sepsis | 446 (2·2) | 63 (3·1) | 383 (2·1) | 0·002 |
| Septic shock | 153 (0·7) | 20 (1·0) | 133 (0·7) | 0·172 |
| VTE | 271 (1·3) | 13 (0·6) | 258 (1·4) | 0·005 |
| Reoperation | 729 (3·5) | 100 (5·0) | 629 (3·4) | < 0·001 |
| Unplanned readmission | 1757 (8·5) | 173 (8·6) | 1584 (8·5) | 0·944 |
| Mortality | 91 (0·4) | 15 (0·7) | 76 (0·4) | 0·032 |
| LOS (days)* | 5·3(4·4) | 5·7(5·4) | 5·2(4·2) | < 0·001‡ |
Values in parentheses are percentages unless indicated otherwise;
*
values are mean(s.d.).
OABP, oral antibiotic bowel preparation; MBP, mechanical bowel preparation; SSI, surgical‐site infection; UTI, urinary tract infection; VTE, venous thromboembolism; LOS, length of hospital stay.
†
χ2 test, except
‡
Student's t test.