Global Burden of Alopecia Areata and Associated Diseases: A Trend Analysis From 1990 to 2021.

ABSTRACT:

Background

Alopecia areata (AA) is a chronic autoimmune disorder characterized by non-scarring hair loss, affecting approximately 2% of the global population. Its etiology involves genetic, immunological, and environmental factors, with significant psychological impacts such as anxiety and depression. However, international trends and comorbidity associations remain poorly understood.

Aims

This study aims to analyze global trends in the incidence and prevalence of AA and assess its associations with major comorbidities across different demographic and regional groups.

Patients/methods

Using data from the Global Burden of Disease Study (GBD) 2021, AA incidence, prevalence, and years lived with disability (YLDs) from 1990 to 2021 were analyzed by age, sex, geographic re

SUBMITTER: Zhou J 

PROVIDER: S-EPMC11866473 | biostudies-literature | 2025 Mar

REPOSITORIES: biostudies-literature