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Psoriasis Incidence in the United States Remains Steady

New diagnosis of psoriasis increases with age, is similar between sexes, and is greatest among Whites

By Physician’s Briefing Staff | April 23, 2021

Psoriasis incidence in the United States is steady, but increases with age and is higher among Whites, according to a study published in the April issue of the Journal of the American Academy of Dermatology.

Joshua Burshtein, from the Donald and Barbara Zucker School of Medicine at Hofstra/Northwell in New Hyde Park, New York, and colleagues used electronic medical records from 2,152,192 individuals (2014 to 2018) to estimate the incidence of psoriasis in the United States.

The researchers found that the incidence rate in the overall population was 63.8 per 100,000 person-years. There was increased incidence seen with age, with a peak among individuals aged 70 to 79 years (92.3 per 100,000 person-years). Men and women had a similar incidence (62.8 and 64.8 per 100,000 person-years, respectively). Rates were higher for Whites (75.3 per 100,000 person-years) than for Hispanic/Latinos (52.2 per 100,000 person-years) and Blacks (24.9 per 100,000 person-years). The incidence was stable during the five-year period.

"The current analysis is strengthened by inclusion of a large, demographically heterogeneous patient population, which enabled estimation of incidence across patient subgroups," the authors write.

One author disclosed financial ties to the pharmaceutical industry.

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