Table 2 Comparison of the cervical sagittal parameters between two groups
From: Subaxial lordosis loss and influence factors after posterior atlantoaxial fusion
Pre-operation | Final follow-up | |||
|---|---|---|---|---|
Loss of subaxial lordosis | Increase in subaxial lordosis | Loss of subaxial lordosis | Increase in subaxial lordosis | |
C0–C2 (°) | 17.4 ± 18.0 | 23.2 ± 16.3 | 26.2 ± 10.8 | 29.1 ± 8.1 |
C1–C2 (°) | 14.2 ± 19.8 | 11.8 ± 17.6 | 19.6 ± 8.7 | 16.7 ± 6.9 |
C2–C7 (°) | 27.6 ± 10.5 | 10.5 ± 10.5# | 11.6 ± 12.5 | 18.3 ± 10.4 |
C0–C7 (°) | 44.8 ± 25.5 | 33.7 ± 17.2 | 37.8 ± 14.1 | 47.6 ± 12.2 |
C2–C7 SVA (mm) | 5.6 ± 12.2 | 16.5 ± 14.9 | 16.4 ± 17.0 | 4.6 ± 9.9 |
T1S (°) | 25.8 ± 7.6 | 21.7 ± 8.4 | 22.6 ± 11.5 | 23.9 ± 5.5 |
NT (°) | 49.4 ± 9.0 | 51.3 ± 10.0 | 54.6 ± 9.7 | 50.9 ± 8.8 |
TIA (°) | 75.2 ± 13.9 | 73.0 ± 10.4 | 77.2 ± 10.8 | 74.7 ± 10.1 |