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Pearson correlation and p-value of the JOA score at final follow-up versus other parameters.
| Correlation | P value | |
|---|---|---|
| Age | −0.087 | 0.328 |
| JOA score before surgery | 0.207 | 0.026 |
| SMI (kg/m2) | 0.016 | 0.859 |
| Handgrip strength (kg) | 0.121 | 0.175 |
| Gait speed (m/s) | 0.409 | <0.001 |
