Variable | Categories | Number of patches | Mean ± SD | Z | p value |
Patch size (cm2) | Before needling | 41 | 13.78 ± 17.57 | −2.226 | <0.001** |
2 weeks after needling | 41 | 13.61 ± 17.48 | |||
Patch size (cm2) | Before needling | 41 | 13.78 ± 17.57 | −4.034 | <0.001** |
2 months after needling | 41 | 12.20 ± 15.68 | |||
Patch size (cm2) | Before needling | 41 | 13.78 ± 17.57 | −4.03 | <0.001** |
4 months after needling | 41 | 12.01±15.55 |