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Pain scores at baseline and 8 weeks with standard and buttonhole needling
| Standard Needling (n=70) | Buttonhole Needling (n=70) | P Value (Between Group) | |
|---|---|---|---|
| Baseline (week 1) median (25th to 75th percentile) | 1.5 (0.4–3.2) | 1.6 (0.5–3.2) | 0.78 |
| Study end (week 8) median (25th to 75th percentile) | 1.2 (0.4–2.4) | 1.5 (0.5–3.4) | 0.57 |
| P value (within group) | 0.24 | 0.86 |
The median value is based on the three pain scores per patient each week and expressed as median (25th to 75th percentile).
