Cluster analysis of 112 SLE pts looked at Erosive arthritis. Arthritis seen in 73%, arthralgia in 27%, erosive arthritis in 26%. Cluster that included erosive Dz also seen w/ CNS EL, serositis, Pos tests for ACPA, Carp, Sm, RNP, Dkk1 https://t.co/c7SLmFtweu https://t.co/qt9FdA1SBa