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Key clinical point: Patients with psoriasis with higher vs. lower affected body surface area (BSA) were at an increased risk of developing psoriatic arthritis (PsA).
Major finding: During a mean follow-up of 4.2 years, the incidence of PsA was 5.4 cases per 1,000 person years. Compared with BSA < 3%, BSA > 10% (hazard ratio [HR] 2.01; 95% CI 1.29-3.13) and BSA = 3%-10% (HR 1.44; 95% CI 1.02-2.03) were associated with incident PsA.
Study details: Findings are from a prospective, population-based cohort study including 9,056 patients with at least 1 code for psoriasis (mild to severe) and 90,547 matched general population controls.
Disclosures: This study was funded by the National Institute of Arthritis and Musculoskeletal and Skin Diseases and the National Heart, Lung, and Blood Institute of the National Institutes of Health. Some authors declared serving as consultant or co-patent holder or receiving grants, honoraria, or payments for medical education from several sources.
Source: Ogdie A et al. Rheumatology. 2021 Sep 11. doi: 10.1093/rheumatology/keab622.
Key clinical point: Patients with psoriasis with higher vs. lower affected body surface area (BSA) were at an increased risk of developing psoriatic arthritis (PsA).
Major finding: During a mean follow-up of 4.2 years, the incidence of PsA was 5.4 cases per 1,000 person years. Compared with BSA < 3%, BSA > 10% (hazard ratio [HR] 2.01; 95% CI 1.29-3.13) and BSA = 3%-10% (HR 1.44; 95% CI 1.02-2.03) were associated with incident PsA.
Study details: Findings are from a prospective, population-based cohort study including 9,056 patients with at least 1 code for psoriasis (mild to severe) and 90,547 matched general population controls.
Disclosures: This study was funded by the National Institute of Arthritis and Musculoskeletal and Skin Diseases and the National Heart, Lung, and Blood Institute of the National Institutes of Health. Some authors declared serving as consultant or co-patent holder or receiving grants, honoraria, or payments for medical education from several sources.
Source: Ogdie A et al. Rheumatology. 2021 Sep 11. doi: 10.1093/rheumatology/keab622.
Key clinical point: Patients with psoriasis with higher vs. lower affected body surface area (BSA) were at an increased risk of developing psoriatic arthritis (PsA).
Major finding: During a mean follow-up of 4.2 years, the incidence of PsA was 5.4 cases per 1,000 person years. Compared with BSA < 3%, BSA > 10% (hazard ratio [HR] 2.01; 95% CI 1.29-3.13) and BSA = 3%-10% (HR 1.44; 95% CI 1.02-2.03) were associated with incident PsA.
Study details: Findings are from a prospective, population-based cohort study including 9,056 patients with at least 1 code for psoriasis (mild to severe) and 90,547 matched general population controls.
Disclosures: This study was funded by the National Institute of Arthritis and Musculoskeletal and Skin Diseases and the National Heart, Lung, and Blood Institute of the National Institutes of Health. Some authors declared serving as consultant or co-patent holder or receiving grants, honoraria, or payments for medical education from several sources.
Source: Ogdie A et al. Rheumatology. 2021 Sep 11. doi: 10.1093/rheumatology/keab622.