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Knee pain improvement assessed by Numeric Rating Scale.
| Time | n | Mean (SD) | Change from baseline (median, range) | P-value |
|---|---|---|---|---|
| Baseline | 38 | 6.39 (1.33) | – | – |
| Week 6 | 34 | 4.18 (1.99) | −2.15 (−2.84, −1.45) | <0.001 |
| Week 16 | 35 | 3.63 (2.28) | −2.74 (−3.46, −2.03) | <0.001 |
| Week 26 | 34 | 4.38 (2.55) | −1.94 (−2.80, −1.09) | <0.001 |
