Korean Epidemiologic study shows the prevalence of Psoriatic arthritis has increased fbetween 2008 and 2020. Prevalence was 6/1000 in 2008 & 19/1000 in 2020. PsA incidence also incr from 3.35 to 5.01/1000 in the same era https://t.co/d20zETK2q2 https://t.co/WAuqoHFDfu