Table 4.
Biomechanical Complications in the Two Groups.
| Biomechanical complications | No. of such complications (n) | |
|---|---|---|
| TGR | APC | |
| Proximal hook dislodgement | 5 | 1 |
| Proximal junctional kyphosis | 2 | 1 |
| New proximal coronal curve | 1 | 0 |
| Distal screw protrusion associated with infection | 1 | 0 |
| Distal screw dislodgement | 1 | 0 |
| Iliac screw and rod loosening | 1 | 1 |
| Dislodgement of iliac screws | 1 | 1 |
| Implant prominence and infection | 1 | 0 |
| Rod fracture | 0 | 1 |
| Total (limited to current follow-up times) | 13 | 5 |
TGR, traditional growth rods; APC, active apex correction