Table 2 Changes in sagittal spine alignment—preoperative, 3 days postoperative and after 12 months follow-up
Sagittal spine alignment | Average value | Average value | Average value | p value |
|---|---|---|---|---|
Preop. | 3 days postop. | After 12 months | Preop.–12 months | |
Vertebral kyphotic angle (α-angle) | 10.2° | 9.5° | 9.6° | <0.05 |
(SD ±4.2, min. 3.9, max. 21.9) | (SD ±3.9, min. 3.7, max. 20.2) | (SD ±4.1, min. 3.6, max. 20.1) | ||
Kyphotic angle according to Cobb (γ-angle) | 9.1° | 8.0° | 8.0° | <0.05 |
(SD ±11.3, min. −20.0, max. 28.0) | (SD ±11.6, min. −24.0, max. 32.2) | (SD ±11.6, min. −24.0, max. 32.0) |