A new predictive tool known as the Psoriatic Arthritis Risk Estimation Tool (PRESTO) is now available to help clinicians estimate the risk of psoriaticarthritis in their patients with psoriasis. PsA
on the effort at the 2023 annual meeting of the Canadian Rheumatology Association.
The mean age of the study participants was 47 years, 76% were White, and 57% were male; and they had psoriasis for a mean of 16 years. The researchers found that 51 patients developed PsA during the 1-year follow-up, and 71 developed PsA during the 5-year follow-up. The risk of developing PsA within 1 year was associated with younger age, male sex, family history of psoriasis, back stiffness, nail pitting, joint stiffness, use of biologic medications, patient global health, and pain severity .
They acknowledged certain limitations of the study, including its relatively small sample size and questionable generalizability of the study findings,"as most of the patients were recruited from dermatology clinics leading to overrepresentation of moderate-severe psoriasis. Therefore, PRESTO will require an external validation to assess its performance in other populations of psoriasis patients with different characteristics.
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