Risk of psychiatric disorders in rosacea: A nationwide, population‐based, cohort study in Taiwan

Abstract

Rosacea has been reported to be associated with psychiatric disorders. Nevertheless, a nationwide study of the relationship between rosacea and comorbid psychiatric diseases in an Asian population has not been conducted. The aim of this study was to clarify the role of rosacea in the various psychiatric disorders by using a nationwide database in Taiwan. Data were obtained from the National Health Insurance Research Database of Taiwan from 2000 to 2013. In total, 7881 patients with rosacea and 31 524 age‐ and sex‐matched controls were enrolled. Patients with rosacea tended to have more coexisting psychiatric disorders. After adjusting for age, sex, comorbidity and residence/regions, the adjusted hazard ratio (HR) of psychiatric disorders for patients with rosacea was 2.761 (95% CI = 2.650–2.877, P < 0.001). Among them, the highest adjusted HR are phobic disorder and obsessive–compulsive disorder of 7.841 (95% CI = 7.526–8.170, P < 0.001) and 6.389 (95% CI = 6.132–6.657, P < 0.001), respectively. The National Health Insurance Research Database of Taiwan does not include the information about rosacea subtypes, severity and laboratory parameters. In conclusion, rosacea is related to various psychiatric disorders. In addition to anxiety and depression, patients are also at increased risk of phobic disorder and obsessive–compulsive disorder.

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