Abstract
Rosacea is a chronic inflammatory skin disorder linked to various mental disorders, but little is known about the impact of rosacea on sleep disorders. The aim of this study is to confirm the association of rosacea with sleep disorders using a large administrative data set. This nationwide population-based retrospective cohort study enrolled 1129 individuals with rosacea and 11 017 age- and sex-matched controls without rosacea from the Korean National Health Insurance System database from 2002 to 2015. The prevalence of sleep disorder (7.8%) was significantly higher in patients with rosacea than in controls (5.81%; p < 0.001). Rosacea was associated with an increased risk of sleep disorder (adjusted odds ratio [aOR], 1.287 [95% confidence interval (CI), 1.022-1.623]). Among a variety of sleep disorders, patients with rosacea were likely to have an increased risk of insomnia (aOR, 1.318 [95% CI, 1.002-1.743]). In subgroup analysis, female patients with rosacea (aOR, 1.297 [95% CI, 1.010-1.722]) and those with rosacea and dyslipidemia (aOR, 1.417 [95% CI, 1.062-1.891]) were at a higher risk of having a sleep disorder. Rosacea is associated with an increased risk of having sleep disorders. The management of modifiable risk factors is important for managing sleep disorders in patients with rosacea.
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