Item | Value |
---|---|
JOA | |
 Before surgery | 8.7 ± 2.8 (5–14) |
 After surgery | 13.4 ± 2.4 (9–16)* |
NDI | |
 Before surgery | 24.4 ± 10.0 (10–40) |
 After surgery | 13.3 ± 3.7 (8–20)* |
VAS | |
 Before surgery | 4.5 ± 1.6 (2–7) |
 After surgery | 2.0 ± 1.6 (0–5)* |
Cervical lordosis (°) | |
 Before surgery | 3.8 ± 4.3 (− 7.6 to − 15) |
 After surgery | 17 ± 4.6 (16 to 27)* |