Correlation between preoperative pain duration and symptom improvement at different follow-up time points
| Follow-Up Time Point | Correlation Coefficient(−1.0–1.0) | P |
|---|---|---|
| 1 Month at rest | 0.02 | .7 |
| 1 Month with activity | −0.09 | .12 |
| 1 Month RDS | 0.02 | .87 |
| 6 Months at rest | −0.09 | .12 |
| 6 Months with activity | −0.20 | <.001 |
| 6 Months RDS | −0.10 | .38 |
| 1 Year at rest | −0.04 | .52 |
| 1 Year with activity | −0.19 | .005 |
| 1 Year RDS | −0.25 | .08 |