Parameter | Preoperation | Last follow-up | P value |
---|---|---|---|
mJOA | 10.08 ± 3.05 | 15.47 ± 1.20* |  < 0.001 |
VAS (neck pain) | 5.42 ± 2.10 | 1.53 ± 0.89* |  < 0.001 |
VAS (arm pain) | 5.18 ± 2.52 | 1.26 ± 0.92* |  < 0.001 |
NDI | 30.37 ± 8.24 | 7.53 ± 3.94* |  < 0.001 |