Cutaneous lupus erythematosus and its association with systemic lupus erythematosus: A nationwide population-based cohort study in Korea |
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Authors: | Yoo Sang Baek Se Ha Park Jinok Baek Joo Young Roh Hee Joo Kim |
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Affiliation: | 1. Department of Dermatology, Korea University Guro Hospital, College of Medicine, Korea University, Seoul, Korea;2. Department of Dermatology, Gachon Gil Medical Center, Gachon University College of Medicine, Incheon, Korea |
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Abstract: | Although lupus erythematosus is known to be more common among women of color, the study populations in previous reports were predominantly Caucasian and there is scarce information on Asian patients. Therefore, we performed a retrospective study using a nationwide population-based cohort in South Korea. The average annual incidence of cutaneous lupus was 4.36/100 000. Among 634 patients with cutaneous lupus, 20.8% had systemic disease: cutaneous lupus was diagnosed before systemic lupus in 4.26% and after systemic lupus in 8.52%. More female patients than male patients developed systemic lupus erythematosus. The average time to progression to systemic lupus was 1.53 ± 1.46 years. |
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Keywords: | Asians cutaneous lupus erythematosus epidemiology progression systemic lupus erythematosus |
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