Table 6.
Surgical outcomes for patients with symptom duration from 0 to 3 months
| Parameter | Group A | Group B | p Value |
|---|---|---|---|
| Symptom duration (months) | 2.1 ± 0.9 | 1.8 ± 0.6 | 0.338 |
| JOA score | |||
| Preoperatively | 8.8 ± 2.6 | 10.5 ± 2.7 | 0.044 |
| Six months postoperatively | 12.0 ± 2.4 | 14.1 ± 1.6 | 0.010 |
| Final follow-up | 11.4 ± 4.3 | 14.3 ± 1.8 | 0.025 |
| Recovery ratio (%) | |||
| Six months postoperatively | 40.7 ± 19.4 | 50.1 ± 30.4 | 0.301 |
| Final follow-up | 37.7 ± 33.0 | 53.7 ± 32.1 | 0.092 |
Values for Japanese Orthopaedic Association score and recovery ratio are given as mean ± SD
Patients undergoing anterior procedure were excluded
JOA Japanese Orthopaedic Association