There is no consensus on flare definition in PSA. Review of 12 #PsA studies shows flare prevalence ranged 7% to 10%, w/ incidence was 22–23%. Over 12 mos, current patient-reported flare = 10%, physician-reported flare = 7% https://t.co/2LKlnaMSyv https://t.co/0TYXiZGsSc