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Updated: Nov 5, 2025

Author Spotlight: Self-Assessment Protocol for Predicting Psoriatic Arthritis in Psoriasis Patients
Published on: March 1, 2024
The epidemiology of psoriatic arthritis: A literature review
Paras Karmacharya1, Rikesh Chakradhar1, Alexis Ogdie2
1Division of Rheumatology, Mayo Clinic, Rochester, MN, USA.
Abstract:
Psoriatic arthritis (PsA) is a chronic, progressive musculoskeletal disease that affects 0.1%-1% of the general population and ~20% of patients with psoriasis. Significant differences exist in epidemiological estimates between studies, likely related to methodological and geographic differences. While most studies show an increase in prevalence over recent years, the underdiagnosis of PsA persists. Studies suggest that a complex interaction of multiple factors is involved in the development of PsA in patients with psoriasis and a single factor may not be able to effectively define at-risk patients with PsA. Modification of some risk factors such as weight loss may help in the prevention of the disease and improved outcomes.
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