PsAID High-impact Disease in Psoriatic Arthritis: A Component Weighting Analysis of the Assessment of SpondyloArthritis international Society Health Index

Psoriatic arthritis (PsA) is a chronic inflammatory arthritis that affects almost one-third of patients with psoriasis. PsA is a relatively common inflammatory condition in rheumatology clinics. In fact, a recent epidemiological study raised the prevalence of PsA to almost 0.6% in the general population in Spain.1.