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J Am Acad Dermatol. 2019 Feb;80(2):382-389. doi: 10.1016/j.jaad.2018.09.025. Epub 2018 Oct 1.

Association between atopic dermatitis and autoimmune disorders in US adults and children: A cross-sectional study.

Author information

1
Department of Dermatology, Northwestern University Feinberg School of Medicine, Chicago, Illinois.
2
Department of Dermatology, Northwestern University Feinberg School of Medicine, Chicago, Illinois; Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois; Department of Medical Social Sciences, Northwestern University Feinberg School of Medicine, Chicago, Illinois; Northwestern Medicine Multidisciplinary Eczema Center, Chicago, Illinois. Electronic address: jonathanisilverberg@gmail.com.

Abstract

BACKGROUND:

Little is known about the risk and predictors of autoimmune diseases in children and adults.

OBJECTIVE:

To determine the prevalence, predictors, and excess costs of autoimmune disease in atopic dermatitis (AD) patients.

METHODS:

Cross-sectional study of the 2002-2012 National Inpatient Sample, which includes a ∼20% sample of all US hospitalizations (n = 87,053,155 adults and children).

RESULTS:

The prevalence of autoimmune disease was higher in adults with AD (7.9%, 95% confidence interval [95% CI] 7.3-8.5%) than without AD (5.7%, 95% CI 5.7%-5.8%) and higher in children with AD (2.0%, 95% CI 1.7%-2.3%) than without AD (1.0%, 95% CI 0.9%-1.1%). In multivariable logistic regression models controlling for sociodemographics, adult (adjusted odds ratio 1.45, 95% CI 1.32-1.58) and pediatric (adjusted odds ratio 2.08, 95% CI 1.73-2.50) AD were associated with any autoimmune disorder. In particular, AD was associated with 18 of 32 autoimmune disorders examined in adults and 13 of 24 examined in children, including disorders of the skin, endocrine, gastrointestinal, hematologic, and musculoskeletal systems. AD patients hospitalized with any autoimmune disorder had a higher cost of inpatient care, with $2.5-$50 million excess annual costs.

CONCLUSIONS:

Adults and children with AD had increased cutaneous and extracutaneous autoimmune disorders, which were associated with a considerable cost burden.

KEYWORDS:

atopic dermatitis; autoimmune; hospitalization; inpatient; systemic disorders

PMID:
30287311
DOI:
10.1016/j.jaad.2018.09.025
[Indexed for MEDLINE]

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