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Ann Dermatol. 2018 Feb;30(1):13-19. doi: 10.5021/ad.2018.30.1.13. Epub 2017 Dec 26.

Mortality and Comorbidity Profiles of Patients with Bullous Pemphigoid in Korea.

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1
Department of Dermatology, Chonnam National University Medical School, Gwangju, Korea.

Abstract

Background:

Bullous pemphigoid (BP) is a common autoimmune-mediated blistering skin disease that is significantly associated with mortality and morbidity. However, few studies regarding the mortality and comorbidity profiles of BP have been reported in Korea.

Objective:

To evaluate and compare the mortality, comorbidity profiles, and risk factors between patients with BP who visited our clinic and an age-matched general population of Korea.

Methods:

We retrospectively evaluated 103 patients diagnosed with BP between 2006 and 2013 at Chonnam National University Hospital in Gwangju, Korea.

Results:

The 1-year, 2-year, and 5-year mortality rates of the patients were 18.44%, 28.16%, and 42.00%, respectively. The median age was 76 years (range, 41~96 years). The standardized mortality ratio of patients with BP was 1.83 times that of the age- and sex-matched general population of Korea. Old age at the time of diagnosis, cardiac disease and renal disease were associated with increased 5-year mortality. In addition, the prevalence of diabetes, stroke, dementia, and Parkinson's disease was higher among BP patients than in the general population.

Conclusion:

The mortality rate of patients with BP is higher than that of the general Korean population. Korean patients with BP are more likely to have dementia, Parkinson's disease, diabetes, and stroke. Risk factors for increased 5-year mortality include old age at the time of diagnosis and medical comorbidities, especially cardiac disease and renal disease.

KEYWORDS:

Bullous pemphigoid; Comorbidity; Mortality; Risk factors

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