Study of prevalence and characteristics of psoriatic arthritis in outpatient dermatology unit, King Chulalongkorn Memorial Hospital
Keywords:
Psoriasis, psoriatic arthritis, prevalence, risk factorsAbstract
Background : The newly developed Classification criteria for Psoriatic Arthritis (CASPAR) criteria has been used for many epidemiologic studies since 2006, this classification showed its high specificity and sensitivity. In Thailand, there is still lack of national data for psoriatic arthritis prevalence by using CASPAR criteria.
Objectives : To determine the prevalence, risk factors and clinical characteristics of PsA in a dermatology outpatient unit, King Chulalongkorn Memorial Hospital.
Method : A cross-sectional observational study was conducted. History and Physical examination has been done by dermatologist. Our patients were evaluated for PsA according to CASPAR criteria. Demographic and clinical parameters have been recorded.
Results : The number of patients who diagnosed psoriatic arthritis by CASPAR criteria were 36 (39.5%) from 91 psoriatic patients. Results from multivariate analysis demonstrated that nail involvement (odd ratio = 4.33; 95%CI=1.02-18.34) and family history of psoriasis (Odd ratio = 4.65; 95%CI=1.58-13.68) were significantly associated with PsA. Oligoarthritis (68.6%) was the most common manifestation pattern, followed by spondylitis (31.4%) and enthesitis (25.7%).
Conclusion : The high prevalence of PsA is found in a dermatological outpatient unit, King Chulalongkorn Memorial Hospital. Positive family history of psoriasis and nail psoriasis are independent risk factors.
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เนื้อหาและข้อมูลในบทความที่ลงตีพิมพ์ในวารสารโรคผิวหนัง ถือเป็นข้อคิดเห็นและความรับผิดชอบของผู้เขียนบทความโดยตรงซึ่งกองบรรณาธิการวารสาร ไม่จำเป็นต้องเห็นด้วย หรือร่วมรับผิดชอบใดๆ
บทความ ข้อมูล เนื้อหา รูปภาพ ฯลฯ ที่ได้รับการตีพิมพ์ในวารสารโรคผิวหนัง ถือเป็นลิขสิทธิ์ของวารสารฯ หากบุคคลหรือหน่วยงานใดต้องการนำทั้งหมดหรือส่วนหนึ่งส่วนใดไปเผยแพร่ต่อหรือเพื่อกระทำการใดๆ จะต้องได้รับอนุญาตเป็นลายลักอักษรจากบรรณาธิการวารสารโรคผิวหนังก่อนเท่านั้น
