TABLE 2.
Complications by Osteotomy Typea
| Complication | TTO (n = 122) | TTO-d (n = 31) | P |
|---|---|---|---|
| ≥1 complication | 53 (43) | 18 (58) | .145 |
| Reoperation | 31 (25) | 7 (23) | .745 |
| Painful hardware | 27 (22) | 5 (16) | .463 |
| Delayed union | 22 (18) | 13 (42) | .005 |
| Deep vein thrombosis | 4 (3.3) | 0 (0.0) | .583 |
| Wound breakdown | 3 (2.5) | 0 (0.0) | >.999 |
| Delayed range of motion | 2 (1.6) | 1 (3.2) | .496 |
| Sensory deficit | 2 (1.6) | 1 (3.2) | .496 |
| Clinical nonunion | 1 (0.8) | 2 (6.5) | .105 |
| Fascial hernia | 1 (0.8) | 0 (0.0) | >.999 |
| Hematoma | 1 (0.8) | 0 (0.0) | >.999 |
| Quadriceps dysfunction | 1 (0.8) | 0 (0.0) | >.999 |
| Tibial fracture | 1 (0.8) | 0 (0.0) | >.999 |
| Broken screw | 0 (0.0) | 1 (3.2) | .203 |
aData are shown as n (%). TTO, tibial tuberosity osteotomy; TTO-d, tibial tuberosity osteotomy with distalization.