TABLE 2.
Risk factors for acute urinary retention in colon or high rectum anastomoses
| Odds ratio | 95% confidence interval | p > z | |
|---|---|---|---|
| Gender male | 1.549 | 1.185–2.024 | 0.001 |
| BMI ≥30 kg/m2 | 0.792 | 0.550–1.142 | 0.212 |
| Age ≥65 years | 1.529 | 1.138–2.054 | 0.005 |
| ASA score ≥3 | 1.487 | 1.114–1.986 | 0.007 |
| Cancer | 0.936 | 0.699–1.252 | 0.654 |
| Surgical access (ref: laparoscopy) | |||
| Robotic | 0.764 | 0.237–2.468 | 0.653 |
| Open access | 1.253 | 0.880–1.784 | 0.210 |
| Conversion in open surgery | 0.845 | 0.436–1.639 | 0.618 |
| Duration of surgery (ref: ≤90 min) | |||
| 90–180 min | 1.181 | 0.797–1.751 | 0.408 |
| ≥180 min | 1.440 | 0.919–2.256 | 0.112 |
| Type of colon or high rectum anastomoses (ref: right colectomy) | |||
| Left colectomy or high rectum resection | 0.960 | 0.713–1.294 | 0.791 |
| Hartmann reversal | 0.404 | 0.121–1.347 | 0.140 |
| Other | 0.716 |
0.354–1.447 0.249–2.053 |
0.352 |
| Colectomy (ref: no resection) | 0.715 | 0.533 | |
| Compliance with ERP | 0.989 | 0.977–1.001 | 0.075 |
| Epidural analgesia | 1.830 | 1.211–2.767 | 0.004 |
| No urinary catheter (ref: early removal) | 1.169 | 0.89–1.53 | 0.260 |
Abbreviations: ASA, American Society of Anesthesiologists; BMI, body mass index; ERP, enhanced recovery programme.