Table 1 Effects on cervical sagittal alignment parameters following adjacent two-level ACDF
Item | Preoperative | Postoperative | Follow-up | p value | p* value |
|---|---|---|---|---|---|
T1s (°) | 27.78 ± 8.70 | 28.24 ± 6.67 | 27.61 ± 9.71 | 0.573 | 0.841 |
C2–7 lordosis (°) | 17.80 ± 9.72 | 18.62 ± 6.84 | 17.42 ± 8.42 | 0.430 | 0.723 |
SA (°) | 3.62 ± 9.14 | 9.68 ± 4.28 | 7.73 ± 4.90 | 0.000 | 0.000 |
C2–7 SVA (cm) | 2.40 ± 1.86 | 2.65 ± 1.12 | 2.43 ± 1.64 | 0.236 | 0.918 |
K-line tilt (°) | 7.50 ± 6.48 | 9.95 ± 5.09 | 9.49 ± 8.95 | 0.000 | 0.001 |