Table 2.
Operative and postoperative characteristics
| Drain group (%) N = 70 | No drain group (%) N = 74 | p-value | |
|---|---|---|---|
| Collections | |||
| Collection | 38 (60.3) | 44 (62.0) | 0.844 |
| Hernia defect <5 cm | 7 (70.0) | 9 (60.0) | 0.691 |
| Hernia defect 5–10 cm | 12 (63.2) | 16 (69.6) | 0.661 |
| Hernia defect >10 cm | 12 (60) | 11 (64,7) | 0.769 |
| Seroma | 29 (46.0) | 32 (45.1) | 0.911 |
| Hematoma | 7 (11.1) | 12 (16.9) | 0.338 |
| Abscess | 3 (4.8) | 3 (4.2) | 0.881 |
| Complications | |||
| Overall complications | 20 (29.0) | 38 (50.7) | 0.008 |
| Surgical complications | 15 (21.7) | 32 (42.7) | 0.007 |
| Wound dehiscence | 1 (1.5) | 7 (9.3) | 0.041 |
| Ileus | 4 (6.0) | 7 (9.5) | 0.440 |
| Early recurrence (<POD 30) | 1 (1.6) | 3 (4.1) | 0.377 |
| Medical complications | 8 (11.6) | 10 (13.3) | 0.753 |
| Antibiotic therapy | 7 (10.1) | 11 (14.7) | 0.412 |
| Surgical site infection | 4 (5.9) | 7 (9.3) | 0.439 |
| Superficial | 3 (4.4) | 6 (8.0) | 0.378 |
| Deep | 1 (1.5) | 4 (5.3) | 0.209 |
| Organ/space | 1 (1.5) | 0 | 0.292 |
| Clavien-Dindo classification | |||
| I | 6 (8.7) | 14 (18.7) | 0.084 |
| II | 9 (12.9) | 16 (21.6) | 0.190 |
| IIIa | 0 | 0 | |
| IIIb | 6 (8.7) | 13 (17.3) | 0.126 |
| IVa | 2 (2.9) | 0 | 0.138 |
| IVb | 2 (2.9) | 1 (1.3) | 0.503 |
| V | 0 | 0 | |
| Comprehensive complication index | |||
| 0–25 | 61 (88.4) | 56 (74.7) | 0.035 |
| 25–45 | 5 (7.3) | 18 (24) | 0.006 |
| 45–100 | 3 (4.3) | 1 (1.3) | 0.271 |
| Operative time (min) | 151 | 135 | 0.073 |
| Hospital stay (days) | 7.23 | 7.18 | 0.970 |
| Readmission | 8 (11.9) | 11 (15.5) | 0.545 |
Surgical site infection according to Center for Disease Control and Prevention (CDC) criteria, p-value with level of significance at 0.05