ArticleThe Korean journal of internal medicine2024
Characteristics of patients with psoriatic arthritis in Korea: focusing on axial involvement.
Article in The Korean journal of internal medicine, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers, 1 of them a synthesis that pooled it.
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Who cites it
5 citing papers in PubMed, 1 synthesis or guideline pooled it, 3 citations in OpenAlex.
- Differences in clinical features between axial psoriatic arthritis and axial spondyloarthritis: a systematic review and meta-analysis of observational studies.Frontiers in medicine · 2026Pooled it
- Clinic-Based Proportion of Psoriatic Arthritis and HLA-B27 Distribution in Korean Psoriasis Patients: A Retrospective Study.Annals of dermatology · 2026Article
- Specialty-Based Disparities in Biologic Use and Retention in Psoriatic Arthritis: A Nationwide Korean Claims Analysis.International journal of rheumatic diseases · 2026Article
- Global epidemiology of spondyloarthritis.Nature reviews. Rheumatology · 2025Review
- Similarities and differences: disentangling the intersection between axial psoriatic arthritis and axial spondyloarthritis.Therapeutic advances in musculoskeletal disease · 2025Review
Corrections and comments
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Authors and funding
7 authors at 1 institution in 1 country.
Funding
Abstract
BACKGROUND/
aimsWe aimed to clarify the clinical characteristics of psoriatic arthritis (PsA) in Korean patients focusing on PsA with axial involvement.
methodsA retrospective medical chart review was performed to identify PsA patients at a single tertiary center. Cases of AS patients with psoriasis were recruited from a prospective AS registry of the same center. Demographics, laboratory findings, and radiologic characteristics were assessed.
resultsA total of 69 PsA patients were identified. In PsA patients, spondylitis (46.4%) was the most common form. Compared to AS patients with psoriasis, PsA patients with radiographic axial involvement were older (50.9 vs. 32.4 years; p < 0.001) and showed greater peripheral disease activity (peripheral arthritis 78.1 vs. 12.5%, p < 0.001; enthesitis 50.0 vs. 6.3%, p = 0.003). AS patients with psoriasis presented a higher rate of HLA-B*27 positivity (81.3 vs. 17.2%; p < 0.001) and a more frequent history of inflammatory back pain (100.0 vs. 75.0%; p = 0.039) than PsA patients with radiographic axial involvement. Significant proportions of PsA patients with radiographic axial involvement had cervical spine involvement (10/18, 55.6%) and spondylitis without sacroiliitis (10/23, 43.5%).
conclusionWe demonstrate that axial involvement is common in Korean PsA patients, and its characteristics can be distinct from those of AS.
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