Table 3.
Challenge | Method | Frequency of use (%) * | ||
---|---|---|---|---|
UVB (n = 16) | Capsaicin (n = 48) | Burn (n = 30) | ||
Thermal – heat | Thermode | 68.8 | 50.0 | 76.7 |
Halogen bulb | 12.5 | 2.1 | 3.3 | |
Thermal – cold | Thermode | 25.0 | 8.3 | 3.3 |
Mechanical (static) – pin prick | Von Frey | 56.3 | 77.1 | 80.0 |
Custom‐made/other | 12.5 | 6.3 | 10.0 | |
Mechanical (dynamic) – stroking | Brush | 12.5 | 43.8 | 13.3 |
Cotton | 18.8 | 35.4 | 6.7 | |
Fingertip | 0 | 0 | 6.7 | |
Von Frey | 0 | 0 | 3.3 | |
Mechanical – impact stimulus | Algometer (static) | 6.3 | 0 | 0 |
Algometer (dynamic) | 18.8 | 2.1 | 3.3 |
UVB, ultraviolet B.
Frequencies of use exceed 100% because most studies make use of more than one method.