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( Dae Suk Kim ),( Dongyun Shin ),( Minseok Lee ),( Hyunjoong Jee ),( Tae Gyun Kim ),( Sung Hee Kim ),( Do Young Kim ),( Soo Min Kim ),( Min Geol Lee1 ) 대한피부과학회 2014 대한피부과학회 학술발표대회집 Vol.66 No.2
Background: Circulating inflammatory cytokines and markers are increased in patients with psoriasis. Recent studies have shown that a higher red blood cell distribution width (RDW) is associated with disease activity in various disorders. Objectives: Our objective was to investigate whether RDW is increased in psoriasis patients, and to evaluate its association with disease severity. Methods: We conducted a retrospective study of psoriasis patients seen in single hospital in Korea. Demographic data, hematologic parameters and disease severity were collected. Results: A total of 261 psoriasis patients and 102 healthy controls were included in our study. The RDW value was significantly increased in psoriasis patients compared to healthy control (p=0.037). Compared to mild psoriasispatients (PASI<7), moderate to severe patients (PASI≥7) showed significantly higher RDW values (p=0.044). RDW did not show significant correlation with PASI (p=0.358). When patients were divided into two groups according to their RDW value (<14.6% and ≥14.6%), the mean value of PASI was not significantly different (p=0.219). Conclusion: Patients with psoriasis showed increased RDW values compared to healthy controls. It was also higher in moderate and severe disease group than mild group. RDW values were increased in psoriasis patients and it is possible that RDW value reflects the inflammatory status of psoriasis, but this needs to be evaluated in near future.