Table 3.
Risk for Anastomotic Leak Among 1621 Patients Undergoing Nonelective Colorectal Procedures
| Variable | OR (95% CI) | |
|---|---|---|
| Unadjusted | Adjusted | |
| Age | 1.00 (0.99–1.01) | 0.98 (0.97–1.00) |
| Male sex | 1.32 (0.87–2.00) | 1.42 (0.88–2.30) |
| Charlson Comorbidity Index | ||
| 0 | 1 [Reference] | 1 [Reference] |
| 1 | 1.35 (0.82–2.24) | 1.43 (0.82–2.51) |
| 2 | 1.04 (0.70–1.55) | 1.61 (0.86–2.99) |
| ≥3 | 0.80 (0.55–1.17) | 1.15 (0.59–2.23) |
| Cancer diagnosis | 0.73 (0.51–1.05) | 0.82 (0.43–1.55) |
| BMI ≥30 | 1.19 (0.93–1.54) | 0.97 (0.67–1.41) |
| Albumin level <3 g/dL | 1.61 (1.11–2.32) | 1.74 (1.22–2.47) |
| Open procedure | 1.53 (0.91–2.58) | 1.57 (0.81–3.01) |
| Anastomosis tested | 0.92 (0.66–1.28) | 1.03 (0.63–1.69) |
| Protective ostomy | 1.51 (0.77–2.25) | 0.89 (0.76–1.02) |
| Postoperative NSAID administration | 1.57 (1.08–2.27) | 1.70 (1.11–2.68) |
| Epidural | 0.78 (0.42–1.45) | 0.68 (0.32–1.45) |
| Patient-controlled analgesia | 0.70 (0.43–1.14) | 0.54 (0.31–0.95) |
Abbreviations: BMI, body mass index (calculated as weight in kilograms divided by height in meters squared); NSAID, nonsteroidal anti-inflammatory drug; OR, odds ratio.
SI conversion factor: To convert albumin to grams per liter, multiply by 10.