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In the last decade, there have been significant advances in outcome measure research in psoriatic arthritis (PsA). In this article, the outcome measures for disease activity in individual key domains of PsA are reviewed, followed by the key patient-reported outcome measures of function, quality of life, fatigue, and a new measure for disease impact, the psoriatic arthritis impact of disease. New research into composite measures of psoriatic disease is summarized, including response measures and proposed cutoff points for disease activity. Finally, the key future issues in outcome measurement in PsA are addressed.

Original publication




Journal article


Rheum dis clin north am

Publication Date





699 - 710


Composite measures, Disease activity, Function, Impact of disease, Outcome measures, Psoriatic arthritis, Quality of life, Antirheumatic Agents, Arthritis, Psoriatic, Humans, Outcome Assessment (Health Care), Quality of Life, Severity of Illness Index