Swedish population/registry study of incidence of Psoriatic arthritis was estimated at 21.8/100 000 person-years (15.78-28.83/100 000 PY); slightly higher in females, lower w/ higher education, peaks 50-59y. 71% were on DMARD w/in 2 yrs (22% b/ts DMARDs) https://t.co/YTNBHczZ7X https://t.co/KNscF08fKG