Table 2.
Characteristics of the operations and technique of repair
| N = 1536 | ACS N = 1193 | PCS N = 343 | P | |
|---|---|---|---|---|
| Type of procedure | ||||
| Elective, N (%) | 1489 (96.9) | 1150 (96.4) | 339 (98.8) | 0.021 |
| Urgent, N (%) | 47 (3.1) | 43 (2.8) | 4 (0.3) | |
| Operative time, min, median (IQR) | 150.0 (90.0–210.0) | 135.0 (90.0–200.0) | 170.0 (120.0–240.0) | 0.032 |
| Length of stay, days, median (IQR) | 6.00 (4.00–8.00) | 6.00 (4.00–8.00) | 6.00 (4.00–8.00) | 0.123 |
| AWU*, N = 821 (%) | 647 (78.8) | 363 (74.4) | 284 (85.3) | < 0.0001 |
| Associated procedures | ||||
| Bowel resection, N (%) | 176 (11.5) | 145 (12.2) | 31 (9.0) | 0.110 |
| Panniculectomy, N (%) | 122 (7.9) | 90 (7.5) | 32 (9.3) | 0.281 |
| Adhesiolysis, N (%) | 53 (3.5) | 46 (3.9) | 7 (2.0) | 0.105 |
| Cholecystectomy, N (%) | 39 (2.5) | 33 (2.8) | 6 (1.7) | 0.291 |
| Mesh removal, N (%) | 40 (2.6) | 30 (2.5) | 10 (2.9) | 0.681 |
| Technical details | ||||
| Mesh type | ||||
| No mesh N (%) | 8 (0.5) | 7 (0.6) | 1 (0.3) | 0.503 |
| Double mesh N (%) | 372 (24.3) | 226 (19.1) | 146 (42.7) | < 0.0001 |
| Reticular N (%) | 1041 (90.1) | 909 (94.7) | 132 (67.3) | < 0.0001 |
| Composite N (%) | 104 (9.0) | 45 (4.7) | 59 (30.1) | < 0.0001 |
| Biosynthetic N (%) | 5 (0.4) | 1 (0.1) | 4 (2.0) | 0.027 |
| Biologic N (%) | 6 (0.5) | 5 (0.5) | 1 (0.5) | 0.985 |
| Mesh area, cm2 (SD) | 763.4 (653.2) | 785.9 (673.3) | 556.3 (350.5) | 0.001 |
| Mesh position | ||||
| Inlay N (%) | 30 (2.0) | 27 (2.3) | 3 (0.9) | 0.100 |
| Onlay N (%) | 615 (40.2) | 610 (51.4) | 5 (1.5) | < 0.0001 |
| Retromuscular and preperitoneal N (%) | 779 (51.0) | 459 (38.7) | 320 (93.6) | < 0.0001 |
| Intraperitoneal N (%) | 94 (6.2) | 81 (6.8) | 13 (3.8) | 0.40 |
| Mesh fixation | ||||
| Staples N (%) | 250 (17.1) | 243 (21.7) | 7 (2.0) | < 0.0001 |
| Suture N (%) | 1137 (77.1) | 856 (75.6) | 281 (81.9) | 0.015 |
| Glue N (%) | 367 (24.2) | 312 (26.5) | 55 (16.1) | < 0.0001 |
*AWU abdominal wall unit