#FMF 2350 pts = 40% with arthritis - Colchicine resistance in 20% - M694V mutation carrier rate high (mutant MEFV gene) - FMF pts with arthritis have a more severe disease course - incidence of spondyloarthropathy was increased in FMF #ACR22 @RheumNow abst#1830 https://t.co/uiLhjK0UjY