Table 1.
Demographic characteristics of the study participants
| Characteristic | Frequency |
|---|---|
| Gender (%) | |
| Male | 21 (30%) |
| Female | 50 (70%) |
| Age (years) | |
| Mean (SD) | 34.9 (13.2) |
| Median | 31 |
| Range | 16–67 |
| Duration of disease (years) | |
| Mean (SD) | 23.3 (13.6) |
| Median | 21 |
| Range | 3–60 |
| Body site affected (n)a | |
| Armpits only | 4 |
| Armpits plus other sites | 9 |
| Palms only | 3 |
| Feet only | 2 |
| Palms and feet | 14 |
| Plantar, palmar and axillary | 14 |
| Generalised | 20 |
| Cranium-face | 4 |
| Trunk and lower body | 1 |
| Country | |
| U.K. | 41 |
| U.S.A | 14 |
| Canada | 2 |
| Netherlands | 2 |
| Other | 12 |
a Each participant is counted in one classification only