Table 2.
Kyphosis correction post-surgery and during follow-up by pathological regions and bone substitute materials
| Parameter | The number of affected vertebrae | Pre-operative kyphosis angle (°) | Post-operation | Follow-up | |||||
|---|---|---|---|---|---|---|---|---|---|
| Kyphosis angle (°) | Angle correction (°) | Correction rate (%) | Kyphosis angle (°) | Angle correction (°) | Correction rate (%) | ||||
| Pathological region | Thoracic | 2.8 | 60.3 ± 14.7 | 17.7 ± 9.3 | 42.6 ± 8.1 | 72.0 ± 9.6 | 19.2 ± 9.1 | 41.1 ± 8.3 | 69.3 ± 9.1 |
| Thoracolumbar | 1.9 | 56.0 ± 10.2 | 8.7 ± 2.7 | 47.3 ± 9.2 | 84.5 ± 4.7 | 11.4 ± 3.4 | 44.6 ± 9.6 | 79.4 ± 6.1 | |
| Lumbar | 1.9 | 42.7 ± 5.9 | 3.8 ± 5.7 | 38.9 ± 4.5 | 92.3 ± 13.6 | 4.7 ± 5.5 | 38.0 ± 4.6 | 90.1 ± 13.1 | |
| Bone substitute material | Iliac crest | 1.9 | 49.9 ± 7.0 | 8.4 ± 4.6 | 41.5 ± 5.3 | 83.7 ± 7.9 | 10.5 ± 5.1 | 39.4 ± 4.9 | 79.6 ± 8.4 |
| Allogeneic bone | 1.9 | 47.2 ± 9.7 | 8.0 ± 4.7 | 39.2 ± 8.6 | 83.4 ± 10.3 | 9.1 ± 4.8 | 38.1 ± 9.0 | 80.9 ± 11.1 | |
| Titanium mesh | 3.2 | 64.3 ± 18.1 | 17.5 ± 13.9 | 46.8 ± 9.4 | 76.9 ± 20.8 | 18.7 ± 13.9 | 45.6 ± 9.1 | 74.9 ± 20.1 | |
| Mean | 2.3 | 53.5 ± 13.6 | 11.0 ± 9.3 | 42.5 ± 7.9 | 81.6 ± 13.5 | 12.6 ± 9.3 | 40.9 ± 7.8 | 78.5 ± 13.3 | |