Funding Information: This work was supported by a research grant from the Portuguese Society of Rheumatology. Publisher Copyright: © The Author(s) 2025.; Psoriatic arthritis (PsA) is a very heterogeneous disease with significant impact on health-related quality-of-life (HRQoL). Our objective was to assess and identify predictors of HRQoL in a 3-year follow-up period among PsA patients. Patients with PsA include...