Table 2.
Risk for Anastomotic Leak Among All Patients
| Variable | OR (95% CI) | |
|---|---|---|
| Unadjusted | Adjusted | |
| Age | 1.00 (1.00–1.01) | 0.99 (0.99–1.00) |
| Male sex | 1.56 (1.27–1.93) | 1.50 (1.27–1.75) |
| Charlson Comorbidity Index | ||
| 0 | 1 [Reference] | 1 [Reference] |
| 1 | 0.74 (0.60–0.93) | 0.91 (0.69–1.21) |
| 2 | 0.93 (0.65–1.34) | 0.99 (0.60–1.63) |
| ≥3 | 1.05 (0.82–1.34) | 0.97 (0.63–1.52) |
| BMI ≥30 | 0.74 (0.57–0.96) | 1.04 (0.71–1.41) |
| Albumin level <3 g/dL | 2.73 (2.01–3.70) | 2.20 (1.63–2.96) |
| Procedure type | ||
| Bariatric | 1 [Reference] | 1 [Reference] |
| Colorectal | 2.01 (1.08–3.72) | 1.20 (0.67–2.11) |
| Nonelective colorectal | 4.04 (2.17–7.47) | 1.44 (0.97–3.04) |
| Anastomosis tested | 0.76 (0.59–0.97) | 1.10 (0.90–1.35) |
| Postoperative NSAID administration | 1.15 (0.92–1.42) | 1.24 (1.01–1.56) |
| Epidural | 1.07 (0.70–1.63) | 1.05 (0.74–1.50) |
| Patient-controlled analgesia | 0.94 (0.60–1.46) | 0.95 (0.60–1.50) |
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.