Overall changes in radiographic parameters from pre- to postoperative.
| Radiological Parameters | Change Pre- to Postoperative, median (IQR) | P |
| Cervical lordosis (°) | 2.2 (0.20; 5.2) | <0.001 |
| Segmental lordosis (°) | 1.0 (0.4; 2.1) | <0.001 |
| C2–C7 SVA, mm | 2.8 (-2.1; 7.7) | 0.018 |
| Disc height operated level, mm | 2.0 (0.8; 3.3) | <0.001 |
| Disc height adjacent level above, mm | -0.1 (-0.3; 0.0) | <0.001 |
| Disc height adjacent level below, mm | -0.1 (-0.3; 0.0) | < 0.001 |
Abbreviations: IQR, interquartile range; SVA, sagittal vertical axis.