Table 1.

Patient characteristics of the enrolled patients with msPsO stratified by disease severity

	Moderate psoriasis (n = 176)	Severe psoriasis (n = 124)	p value
Demographics
Age (years), mean ± SD	41.7 ± 13.4	44.5 ± 12.1	0.035
Male proportion, %	60.2	66.9	0.236
Skin lesion site, %
Lower limb	76.7	97.6	< 0.001
Trunk	61.9	87.9	< 0.001
Scalp	60.8	80.6	< 0.001
Upper limb	54.0	88.7	< 0.001
Facial and neck	15.9	48.4	< 0.001
Nail	17.6	41.1	< 0.001
Palms or soles of the feet	15.9	35.5	< 0.001
Sacrococcygeal region	11.4	25.0	0.002
External genitalia	4.5	8.1	0.206
Quality of life
VAS scale, mean ± SD	62.6 ± 24.4	49.6 ± 23.0	< 0.001

msPsO moderate-to-severe psoriasis, SD standard deviation, VAS visual analogue scale