Difference in von Frey hair number required to elicit reflex from control and treated foot in amethocaine, placebo, and reference groups
| Hair difference | −1 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| Amethocaine (n=31) | 1 | 6 | 7 | 5 | 6 | 3 | 1 | 1 | 1 |
| Placebo (n=29) | 0 | 12 | 12 | 2 | 1 | 2 | |||
| Reference (n=30) | 1 | 17 | 11 | 1 |