The Clinical Effect of Oral Vitamin D2 Supplementation on Psoriasis: A Double-Blind, Randomized, Placebo-Controlled Study

Table 2

Outcomes at the 3-month and 6-month follow-ups.

	Vitamin D2	Placebo	p-value
At baseline
PASI, mean±SD	4.68±3.12	4.21±2.53	0.58
At 3-month follow-up
PASI, mean±SD	3.11±2.43	4.73±3.94	0.13
PASI change, mean±SD	1.43±1.94	-0.33±2.95	0.03
%PASI change, mean±SD	34.21%±35.24	-1.85%±66.73	0.039
At 6-month follow-up
PASI, mean±SD	2.39±1.97	3.35±2.49	0.20
PASI change, mean±SD	2.15±2.59	0.71±1.83	0.055
%PASI change, mean±SD	42.79%±36.18	21.57%±53.22	0.16

PASI, Psoriasis Area and Severity Index; SD, standard deviation.