| Preoperative | 1 week postoperative | 6 months postoperative | 24 months postoperative | JOA improvement rate (%) |
---|---|---|---|---|---|
EG | 8.417 ± 0.9599 | 15.36 ± 1.217a | 16.24 ± 0.7120b | 16.44 ± 0.6412c | 93.54 |
CG | 8.345 ± 0.9321 | 15.24 ± 1.137a | 16.33 ± 0.7071b | 16.39 ± 0.5492c | 92.82 |
t | 0.3114 | 0.4504 | 0.5813 | 0.3948 | 0.4465 |
p | 0.7564 | 0.6538 | 0.5629 | 0.6942 | 0.6566 |