Group NoPlate | Group Plate | |||
---|---|---|---|---|
P valuea | P valueb | |||
JOA scores | ||||
Preoperatvie | 8.0 ± 1.5 | – | 7.4 ± 1.2 | – |
Postoperative 1 month | 13.4 ± 0.7 | < 0.001 | 13.5 ± 1.1 | 0.001 |
Postoperative 3 month | 13.6 ± 1.0 | < 0.001 | 13.6 ± 0.9 | 0.002 |
Last follow-up | 13.7 ± 1.2 | < 0.001 | 13.9 ± 1.4 | 0.001 |
NDI scores | ||||
Preoperatvie | 36.3 ± 7.6 | – | 35.1 ± 8.2 | – |
Postoperative 1 month | 13.7 ± 5.3 | < 0.001 | 13.5 ± 6.1 | < 0.001 |
Postoperative 3 month | 13.1 ± 4.9 | < 0.001 | 13.4 ± 6.0 | < 0.001 |
Last follow-up | 12.5 ± 4.0 | < 0.001 | 13.9 ± 6.8 | < 0.001 |
Cervical lordosis (°) | ||||
Preoperatvie | 11.1 ± 10.4 | – | 10.4 ± 8.9 | – |
Postoperative 1 month | 19.2 ± 9.0 | < 0.001 | 18.3 ± 9.7 | 0.001 |
Postoperative 3 month | 18.9 ± 8.0 | < 0.001 | 17.9 ± 9.3 | 0.002 |
Last follow-up | 18.7 ± 8.6 | 0.001 | 17.7 ± 8.3 | 0.001 |