Summary of statistics parameters in the comparisons (p values by Wilcoxon signed ranks test)
| Capsaicin (C) | Menthol (M) | C−M | |||||
|---|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | Mean | SD | p Value | |
| Therapeutic effect score at 4 weeks | 1.87 | 1.19 | 4.42 | 0.64 | −2.55 | 1.31 | <0.001 |
| Burning sensation score (side effect) | 2.60 | 0.70 | 2.24 | 0.43 | 0.36 | 0.53 | <0.001 |
| Side effect duration (min) | 14.64 | 5.56 | 12.02 | 3.67 | 2.62 | 4.17 | <0.001 |