2.1. Study Design and Participants
psoriasis
PSORIASIS
A total of 118 patients with psoriasis volunteered for the current interventional study which used a pre-/post-test design. The adequacy of sample size was tested using the statistical software Granmo v7.12 (IMIM, Barcelona, Spain) with an accepted two-sided alpha risk of 0.05 and a beta risk of 0.2. In addition, a loss-to-follow-up rate of 10% was estimated. All participants met the following inclusion criteria: male; 18–45 years of age; a diagnosis of mild psoriasis on the basis of the PASI (psoriasis area severity index) and DLQI (dermatology life quality index) scores < 7 [After reviewing the inclusion/exclusion criteria and signing the informed consent form, the participants were randomly allocated (in a 1:1 ratio) to the experimental (