Table 1: Characteristics of patients.

VariablesVariables classesNumbersPercent

Sex
Female1785%
Male325%
Age
<2015%
20–29525%
30–391050%
>40425%
Time onset of indurations
<201365%
>20735%
Site involvement
Cheeks523.8%
Nasolabial fold419%
Glabella523.7%
Lower lid29.5%
Lips523.8%