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Table 2 Classification of the EA patients according to serological criteria

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

 2010 ACR/EULAR a Concordance
ScoreRANon-RAPPV bLevelRANon-RAPPV
33504488.8%3Ab174796.1%
2476442.3%2Ab1673682.3%
1Ab6810738.9%
012942323.4%0Ab11738123.5%
  1. aThe serological criteria defined in the 2010 ACR/EULAR RA classification criteria or by the concordance of autoantibodies
  2. bPPV positive predictive value