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Surgical history
| Variable | Total cohort (n = 285) | Cases with leakage (n = 15) | Cases without leakage (n = 270) | P value |
|---|---|---|---|---|
| Smoking | 99 (34.7%) | 8 (53.3%) | 91 (33.7%) | 0.262 |
| Alcohol ≥3 glasses/day | 14 (4.9%) | 2 (13.3%) | 12 (4.4%) | 0.114 |
| Indication | ||||
| Carcinoma | 175 (61.4%) | 12 (80%) | 163 (60.4%) | 0.234 |
| Benign | 70 (24.6%) | 3 (20%) | 67 (24.8%) | |
| Other | 40 (14.0%) | 0 | 40 (14.8%) | |
| Previous abdominal surgery | 126 (44.2%) | 3 (20%) | 123 (45.6%) | 0.642 |
| Preoperative radiotherapy | 20 (7.0%) | 3 (20%) | 17 (6.3%) | 0.078 |
