Table 2.
Two-Year Postoperative Complication Rate Overall and by ADM Usage
| Complication | Overall N=1297 | ADM used N=655 | ADM not used N=642 | p-Value1 |
|---|---|---|---|---|
| Any complication | 340 (26.2%) | 183 (27.9%) | 157 (24.5%) | 0.184 |
| Major complication | 248 (19.1%) | 147 (22.4%) | 101 (15.7%) | 0.052 |
| Wound infection | 135 (10.4%) | 74 (11.3%) | 61 (9.5%) | 0.112 |
| Reconstructive failure | 97 (7.5%) | 60 (9.2%) | 37 (5.8%) | 0.126 |
| Hematoma | 43 (3.3%) | 17 (2.6%) | 26 (4.0%) | 0.147 |
| Wound dehiscence | 27 (2.1%) | 22 (3.4%) | 5 (0.8%) | 0.020 |
| Wound infection requiring IV antibiotics or reoperation | 75 (5.8%) | 46 (7.0%) | 29 (4.5%) | 0.045 |
| Wound infection requiring oral antibiotics | 66 (5.1%) | 32 (4.9%) | 34 (5.3%) | 0.523 |
| Mastectomy skin flap necrosis | 78 (6.0%) | 44 (6.7%) | 34 (5.3%) | 0.228 |
| Capsular contracture | 22 (1.7%) | 11 (1.7%) | 11 (1.7%) | 0.758 |
| Implant malposition | 12 (0.9%) | 8 (1.2%) | 4 (0.6%) | 0.916 |
| Seroma | 41 (3.2%) | 21 (3.2%) | 20 (3.1%) | 0.970 |
| Implant leakage, rupture or deflation | 17 (1.3%) | 10 (1.5%) | 7 (1.1%) | 0.665 |
1
For the comparison of two-year postoperative complication rates between ADM and no ADM group, adjusting for sites (hospitals) and surgeons.