Phenotypic cluster analysis of 134 CPPD pts from COLCHICORT & CHRONIC-CPPD European cohorts ID 4 Grps: 1) C1 monoarticular recurrent flares, older, W, ^CRP; 2) C2 monoarticular w persistent arthritis; 3) C3 polyarthritis lower CRP; 4) C4 polyarticular (spine/shoulder( & recurrent https://t.co/ghMCmDLCki