The prevalence of previously diagnosed and undiagnosed psoriasis in US adults: results from NHANES 2003-2004.

BACKGROUND Psoriasis is a predictor of morbidity. It is important to determine the extent to which psoriasis remains undiagnosed. OBJECTIVE To determine the prevalence of psoriasis. METHODS We conducted a cross-sectional study using the National Health and Nutrition Examination Survey 2003-2004. RESULTS The prevalence of diagnosed psoriasis was 3.15… CONTINUE READING