Characteristics of anastomotic complications
| Variables | Anastomotic stenosis (n=34) | Anastomotic leakage (n=22) |
| Male, n (%) | 14 (41) | 18 (82) |
| ASA ≥III score prior to operation, n (%) | 7 (27) (missing=8) | 9 (53) (missing=5) |
| Location of anastomosis, n (%) | ||
| Small intestine | 11 (32) | 13 (65) (missing=2) |
| Ileocolic | 5 (15) | 5 (23) |
| Colon | 18 (53) | 3 (14) |
| Type of anastomosis, n (%) | ||
| End-to-end | 29 (85) | 12 (57) (missing=1) |
| End-to-side | 0 (0) | 0 (0) |
| Side-to-side | 3 (8) | 5 (23) |
| Closed longitudinal incision intestine, n (%) | 2 (5) | 5 (23) |
| Stapled, n (%) | 0 (0) | 0 (0) |
| Technique of handsewn sutures, n (%) | ||
| Continuous | 11 (37) (missing=4) | 10 (67) (missing=7) |
| Interrupted | 19 (63) | 5 (33) |
| Suture resorption time, n (%) | ||
| Normal | 12 (41) (missing=4) | 6 (38) (missing=6) |
| Slow | 17 (59) | 10 (62) |
| Median days until the complication, median (IQR) | 44 (25–209) | 6 (4–7) |
| Reoperation needed, n (%) | 23 (68) | 21 (96) |
| Death related to complication, n (%) | 3 (9) | 2 (9) |
| Recurrence in surviving patients, n (%) | 1 (5) | 0 (0) |
ASA, American Society of Anaesthesiology; IQR, interquartile range.