Epidemiology

Rosacea is most common in people with Fitzpatrick skin type I or II (skin that burns easily) but is increasingly diagnosed in Asian and Latin American populations, and people of African descent.[1][4][5] Onset of rosacea occurs between 30 to 50 years of age.[6]

Assessing the prevalence of rosacea is challenging due to variable clinical manifestations, other comorbid skin disorders with similar clinical features, and underdiagnosis.[5][7] One meta-analysis of population-based studies from Europe, North America, Africa, Asia, and South America reported an estimated global prevalence of 5.46%.[8] One multicenter cross-sectional study found rosacea prevalence of 12.3% in Germany and 5.0% in Russia.[7]

A UK research database study found an overall incidence of clinically diagnosed rosacea of 1.65 per 1000 person-years: 1.92 per 1000 person-years for women and 1.34 per 1000 person-years for men.[9]

Studies that report discrete data by sex suggest a prevalence of 5.41% for women and 3.9% for men.[8] However, men with rosacea are more likely to progress to advanced disease.[6][8][9]

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