Clinical course of chronic spontaneous urticaria in the Korean adult population

Yoon Seob Kim, Sang Hyun Park, Kyungdo Han, Ji Hyun Lee, Nack In Kim, Joo Young Roh, Seong Jun Seo, Hae Jun Song, Min Geol Lee, Jee Ho Choi, Young Min Park

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    11 Citations (Scopus)


    Knowledge of the clinical course of chronic spontaneous urticaria (CSU) remains unclear. The purpose of our study was to investigate the clinical course of CSU in the Korean adult population. Each patient in the CSU group who was defined by disease codes between 2003 and 2007 was tracked whether he or she went into remission or not until 2013. Kaplan-Meier survival analysis was carried out to analyze remission, and log-rank tests were performed for between-group comparisons. Demographic differences between subjects who went into remission 1 year after the initial diagnosis and those who did not were analyzed using ?2 tests. A total of 13,969 subjects were included in the CSU group. The 1-, 2-, 3-, 4-, and 5-year remission rates of CSU were 21.5%, 33.0%, 38.9%, 42.6%, and 44.6%, respectively. The proportion of subjects in the 65+ age group (P=0.050) and with male gender (P=0.002) was significantly higher among subjects who did not go into remission 1 year after the initial diagnosis. Our study indicates that CSU could have a more persistent course than previously reported.

    Original languageEnglish
    Pages (from-to)83-87
    Number of pages5
    JournalAllergy, Asthma and Immunology Research
    Issue number1
    Publication statusPublished - 2018 Jan 1


    • Clinical course
    • Korea
    • Urticarial

    ASJC Scopus subject areas

    • Immunology and Allergy
    • Immunology
    • Pulmonary and Respiratory Medicine


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