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Detailed assessment of the preoperative JOA score
| Parameter | Group A | Group B | p Valuea |
|---|---|---|---|
| Motor function | |||
| Upper extremities | 1.3 ± 1.1 | 2.1 ± 0.9 | <0.001 |
| Lower extremities | 1.0 ± 1.0 | 1.8 ± 1.0 | <0.001 |
| Sensory function | |||
| Upper extremities | 1.0 ± 0.5 | 1.1 ± 0.5 | 0.257 |
| Trunk | 1.8 ± 0.4 | 1.8 ± 0.4 | 0.950 |
| Lower extremities | 1.4 ± 0.6 | 1.3 ± 0.6 | 0.822 |
| Bladder function | 2.0 ± 1.0 | 2.2 ± 0.9 | 0.340 |
Values are mean ± SD
JOA Japanese Orthopaedic Association
aMann–Whitney U test
