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Table 4 Overall fit of the models with different serological criteria for RA classification

From: Improved RA classification among early arthritis patients with the concordant presence of three RA autoantibodies: analysis in two early arthritis clinics

Model fit2010 ACR/EULAR aConcordance2010 + Ccdc.2010 + Ccdc.’
  1. aThe serological criteria from the 2010 ACR/EULAR RA classification criteria, or based on the concordance of autoantibodies, and their combination without modification (2010 + Ccd.) and after deleting the 1Ab stratum (2010 + Ccd’)