Median values and 5–95% confidence intervals of 5, 50, and 100 g Von Frey hair ratings and pinprick pain thresholds
| Session 1 baseline | Session 2 baseline | Session 3 test | p | |
|---|---|---|---|---|
| Placebo group (n = 19) | ||||
| 5 g Von Frey (VAS) | 10 (5-25) | 10 (3-18) | 10 (2-13) | 0.066 |
| 50 g Von Frey (VAS) | 20 (7-60) | 16 (8-30) | 15 (7-30) | 0.64 |
| 100 g Von Frey (VAS) | 33 (14-60) | 34 (10-60) | 30 (9-60) | 0.42 |
| Pinprick pain threshold (g) | 177 (59-508) | 190 (70-519) | 230 (0-720) | 0.28 |
| Control group (n = 10) | ||||
| 5 g Von Frey (VAS) | 11 (2-25) | 8 (2-19) | 6 (2-14) | 0.058 |
| 50 g Von Frey (VAS) | 17 (4-35) | 16 (5-29) | 11 (4-25) | 0.13 |
| 100 g Von Frey (VAS) | 29 (15-55) | 34 (11-45) | 29 (11-38) | 0.49 |
| Pinprick pain threshold (g) | 205 (120-360) | 190 (120-360) | 250 (90-390) | 0.15 |
p values are from Friedman nonparametric ANOVA.