Mild (n = 35) | Moderate (n = 38) | Severe (n = 29) | P value | |||
---|---|---|---|---|---|---|
I vs II | I vs III | II vs III | ||||
Preoperative sagittal spinopelvic parameters | ||||||
Thoracic kyphosis (°) | 6.36 ± 16.31 | 5.59 ± 9.73 | 7.37 ± 11.24 | 0.884 | 0.645 | 0.323 |
Thoracolumbar kyphosis (°) | 4.87 ± 7.54 | 6.25 ± 8.65 | 12.68 ± 15.23 | 0.592 | 0.007* | 0.019* |
Lumbar lordosis (°) | 8.21 ± 16.34 | 14.26 ± 28.58 | 25.09 ± 22.73 | 0.069 | < 0.001* | 0.017* |
Pelvic tilt (°) | 28.64 ± 9.90 | 32.13 ± 9.03 | 40.22 ± 11.91 | 0.213 | 0.032* | 0.061 |
Sacral slope (°) | 22.13 ± 9.77 | 20.21 ± 14.48 | 16.05 ± 11.66 | 0.437 | 0.021* | 0.043* |
Pelvic incidence (°) | 50.41 ± 13.21 | 52.47 ± 12.36 | 56.18 ± 10.68 | 0.576 | 0.071 | 0.281 |
PI-LL mismatch (°) | 58.71 ± 18.84 | 66.77 ± 13.38 | 81.49 ± 26.59 | 0.024* | < 0.001* | < 0.001* |
Immed. LL correction (°) | 59.90 ± 7.47 | 62.01 ± 9.41 | 50.28 ± 19.18 | 0.785 | 0.031* | 0.027* |
Lumbar flexibility (°) | 14.23 ± 12.38 | 11.36 ± 8.72 | 5.83 ± 2.54 | 0.372 | < 0.001* | 0.032* |