Assessment of racial and ethnic differences of atopic dermatitis severity and treatment patterns in a diverse outpatient cohort in the United States: a retrospective observational study

Document Type

Journal Article

Publication Date

8-17-2023

Journal

Archives of dermatological research

DOI

10.1007/s00403-023-02696-1

Keywords

Atopic dermatitis; Diverse; Eczema; Hispanic; Race

Abstract

Previous population-based studies in the United States found racial/ethnic differences of atopic dermatitis (AD) severity and treatment patterns. It is unclear whether these differences are from differences of disease characteristics or disparities. To examine racial/ethnic differences in severity and treatment patterns in a diverse outpatient patient cohort of AD patients (n = 833). There were no significant associations of highest-reported body surface area (BSA; Fisher's exact test, P = 0.19 and P = 0.44) or physician's global assessment (PGA; P = 0.63 and P = 0.57) with race or ethnicity; nor interactions of race/ethnicity with gender or age as predictors of BSA or PGA. Asian and multiracial/other patients were more likely than White or Black patients to use topical calcineurin inhibitors (Chi-square, P = 0.01). Dupilumab use differed by race (Multiracial/other = 35.0%; White = 20.1%; Asian = 15.7%; Black = 13.6%; Chi-square, P = 0.03), but not ethnicity (P = 0.88). Use of oral corticosteroids (Chi-square, P = 0.74), immunosuppressants (P = 0.98) or GABAergics (P = 0.16) or NBUVB (P = 0.42) did not differ by race. There were no interactions of race/ethnicity with gender or age as predictors of treatment use. Similar treatment patterns were observed across racial/ethnic groups. Though, topical calcineurin inhibitors were more commonly used in Asian and multiracial/other patients; dupilumab use was more common in multiracial/other patients.

Department

Dermatology

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