Table 3.
The results of correction
| Parameters | Preoperative | Postoperative | Final follow-up | Correction* | Loss of correction |
|---|---|---|---|---|---|
| LL (°) | 0.9 ± 6.9 | −32.4 ± 5.5 | 33.4 ± 3.8 | 33.2 ± 2.4 | 0.1 ± 3.7 |
| TK (°) | 78.4 ± 3.2 | 41.4 ± 6.1 | 46.2 ± 7.2 | 34.7 ± 3.8 | 4.3 ± 3.2 |
| GK (°) | 89.8 ± 8.9 | 32.6 ± 5.4 | 40.4 ± 6.9 | 54.0 ± 14.8 | 5.6 ± 3.9 |
| SVA (CM) | 27.3 ± 4.4 | 3.4 ± 0.7 | 5.1 ± 0.8 | 23.9 ± 4.4 | 1.3 ± 1.0 |
| CBVA (°) | 60.8 ± 12.0 | 1.3 ± 3.5 | 3.9 ± 4.0 | 59.5 ± 13.8 | 2.7 ± 1.5 |
Indicates the measurement of GK was calculated between the same segments before and after surgery
LL lumbar lordosis, TK thoracic kyphosis, GK global kyphosis, SVA sagittal vertical axis, CBVA chin-brow vertical angle
* Indicates a statistically significant difference comparing preoperative and postoperative values (P < 0.05)