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Correlation Between NRS and Radiologic Severity or QST Results
| Variables | rs | P value |
|---|---|---|
| K-L scale | 0.218 | 0.18 |
| mJSW | −0.202 | 0.21 |
| PPT | ||
| Hip | −0.511 | <0.01 |
| Leg | −0.572 | <0.01 |
| Arm | −0.548 | <0.01 |
| TSP | ||
| Hip | 0.717 | <0.01 |
| Leg | 0.592 | <0.01 |
| Arm | 0.430 | <0.01 |
Abbreviations: NRS, numerical rating scale; K-L, Kellgren-Lawrence; mJSW, minimum joint space width; PPT, pressure pain threshold; TSP, temporal summation of pain; Leg, tibialis anterior; Arm, extensor carpi radialis longus.
