Mean change for the WHOQOL-BREF, Skindex-29, BAI, BDI, PLSI, PASI, and SRSS between baseline and week 16 (*p<0.01, †p<0.001, Wilcoxon rank sum test). WHOQOL-BREF: WHO quality of life scale, BAI: Beck anxiety inventory, BDI: Beck depression inventory, PLSI: psoriasis life stress inventory, PASI: psoriasis area and severity index; SRSS: self-reported severity score.