Prevalence of psoriatic arthritis in patients with psoriasis: A systematic review and meta-analysis of observational and clinical studies
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- Prevalence of psoriatic arthritis in patients with psoriasis_A systematic review and meta-analysis of observational and clinical studies
Accepted author manuscript, 580 KB, PDF document
BACKGROUND: Wide-ranging prevalence estimates of psoriatic arthritis (PsA) in patients with psoriasis have been reported.
OBJECTIVES: To assess the prevalence and incidence of PsA in patients with psoriasis.
METHODS: Two authors independently searched 3 databases for studies reporting on the prevalence or incidence of PsA in patients with psoriasis. A proportion meta-analysis was performed to calculate the pooled proportion estimates of PsA in patients with psoriasis.
RESULTS: A total of 266 studies examining 976,408 patients with psoriasis were included. Overall, the pooled proportion (95% confidence interval [CI]) of PsA among patients with psoriasis was 19.7% (95% CI, 18.5%-20.9%). In children and adolescents (<18 years of age), the pooled prevalence was 3.3% (95% CI, 2.1%-4.9%). The PsA prevalence was 22.7% (95% CI, 20.6%-25.0%) in European patients with psoriasis, 21.5% (95% CI, 15.4%-28.2%) in South American patients with psoriasis, 19.5% (95% CI, 17.1%-22.1%) in North American patients with psoriasis, 15.5% (95% CI, 0.009%-51.5%) in African patients with psoriasis, and 14.0% (95% CI, 95% CI, 11.7%-16.3%) in Asian patients with psoriasis. The prevalence of PsA was 23.8% (95% CI, 20.1%-27.6%) in studies in which the Classification Criteria for Psoriatic Arthritis were applied. The incidence of PsA among patients with psoriasis ranged from 0.27 to 2.7 per 100 person-years.
LIMITATIONS: Between-study heterogeneity may have affected the estimates.
CONCLUSIONS: We found that 1 in 4 patients with psoriasis have PsA. With the growing recognition of the Classification Criteria for Psoriatic Arthritis, more homogenous and comparable prevalence estimates are expected to be reported.
Original language | English |
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Journal | Journal of the American Academy of Dermatology |
Volume | 80 |
Issue number | 1 |
Pages (from-to) | 251-265.e19 |
Number of pages | 34 |
ISSN | 0190-9622 |
DOIs | |
Publication status | Published - Jan 2019 |
- Arthritis, Psoriatic/epidemiology, Clinical Studies as Topic, Humans, Observational Studies as Topic, Prevalence, Psoriasis/complications
Research areas
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