Table 2: Patients demographic and clinical characteristics.

Pso PsA RAControls

Patients (number) 3030 3030
Gender (male/female) 14/16 11/19 12/1815/15
Age
PASI score 00
DAS-28 ESR 0 0
CyA tp 11/30 3/30 2/300
MTX tp 6/30 15/3019/300
Disease duration 0

Data are expressed as mean ± SD; PASI: psoriasis area severity index; DAS28-ESR: 28-joint disease activity score; CyA: cyclosporine A; MTX: methotrexate.