PRESTO-PsA:   5-year Risk of Developing Psoriatic Arthritis

Morning stiffness

PASI (Psoriasis Area and Severity Index)
Nail lesions

FACIT (Functional Assessment of Chronic Illness Therapy) Fatigue Scale
Use of systemic non-biologics or phototherapy

Pain level

Duration of psoriasis (number of years) years


Your 5-year risk is                  or   


Dr. Lihi Eder, Women's College Hospital and University of Toronto, Toronto, Canada

Please contact for more information or to provide feedback: lihi.eder@wchospital.ca