Fast Five Quiz: The Epidemiology of Psoriatic Arthritis

Eric Ruderman, MD;  Marina Magrey, MD

Disclosures

June 22, 2023

Psoriatic arthritis (PsA) is a chronic, immune-mediated disease of the joints and entheses causing swelling, pain, and stiffness. Genetic factors, environmental factors such as smoking, and immune processes activate an inflammatory response that, although not fully understood, primarily affects the skin and joints. PsA involves both peripheral joints, or less commonly the axial skeleton.

PsA affects approximately 0.1%-1% of the general population and approximately 20%-30% of patients with psoriasis. Without treatment, arthritic joint inflammation can progress to erosive bone changes and debilitating pain, emphasizing the importance of early screening and intervention.

How much do you know about the epidemiology of PsA? Test your knowledge with this quick quiz.

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