Fig. 2

Psoriasis Areas Severity Index (PASI) score, body surface area for psoriasis (BSA) score, Visual Analog Score (VAS), and Dermatology Life Quality Index (DLQI) score in the Chinese herbal medicine (CHM) and placebo groups. (a) PASI scores; (b) BSA scores; (c) VAS scores; and (d) DLQI scores. Comparison of changes of PASI (t = 1.764, P = 0.098), BSA (t = 0.523, P = 0.610), VAS (t = -0.079, P = 0.938), and DLQI (t = 0.845, P = 0.411) after treatment between the two groups. P < 0.05 indicated a significant difference between groups