Table 3 Apical vertebral distribution and apical vertebral rotation angle of patients with SMA undergoing instrumentation and fusion
|  | Sublaminar wire (n = 14) | Hybrid (n = 19) | P value |
|---|---|---|---|
Apical vertebral location: number of patients | L1:8 L2:6 | T9:1 T11:1 L1:14 L2:3 | Â |
Apical vertebral rotation angle | Â | Â | Â |
Preoperative (°) | 18.1 ± 6.6 | 18.8 ± 5.7 | 0.756 |
Postoperative (°) | 13.3 ± 5.6 | 8.2 ± 4.1 | 0.005 |
Correction (°) | 4.8 ± 2.6 | 10.6 ± 3.9 | < 0.001 |
Correction (%) | 28.1 ± 13.1 | 57.6 ± 17.5 | < 0.001 |