Key clinical point: Tools like Psoriasis Epidemiology Screening Tool (PEST) and body mass index (BMI) can predict the 2-year risk of developing psoriatic arthritis (PsA) in patients with psoriasis (PsO).
Major finding: Approximately 10% of patients with PsO developed PsA after 2 years. PEST, BMI, modified Rheumatic Disease Comorbidity Index, work status, alcohol use, and fatigue (area under the curve [AUC] 68.9%; sensitivity 82.9%; specificity 48.8%) were most efficient in predicting PsA development; however, another model including only PEST and BMI produced similar results (AUC 68.8%; sensitivity 92.7%; specificity 36.5%).
Study details: The findings are from a prospective cohort study including 1489 patients with PsO and no prior diagnosis of PsA from the CorEvitas Psoriasis Registry who were followed-up for 24 months.
Disclosures: This study was sponsored by CorEvitas, LLC. Three authors declared being employees of CorEvitas, LLC, and the other authors reported ties with several sources, including CorEvitas.
Source: Ogdie A et al. Prospective cohort study of psoriatic arthritis risk in patients with psoriasis in a real-world psoriasis registry. J Am Acad Dermatol. 2022 (Aug 17). Doi: 10.1016/j.jaad.2022.07.060