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Changes of the NRS pain score from the baseline to 48 weeks after intervention.
| Measure | Time | Group A (F-SWT) | Group B (R-SWT) | p value† |
|---|---|---|---|---|
| NRS | Baseline | 5.9 ± 0.9 | 5.5 ± 0.7 | p = 0.20 |
| 4-week | 4.8 ± 0.8 | 4.8 ± 0.9 | p = 0.73 | |
| 12-week | 3.9 ± 1.4 | 4.5 ± 1.0 | p = 0.07 | |
| 24-week | 2.7 ± 1.0 | 4.5 ± 1.2 | p < 0.001 | |
| 48-week | 1.4 ± 1.0 | 3.0 ± 0.8 | p < 0.001 |
NRS: numerical rating scale; F-SWT: focused shockwave therapy; R-SWT: radial shockwave therapy. †Unpaired t-test.
