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Table 1 Contingency table of the EA patients according to the 2010 serological criteria and the antibody concordance criteria

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

 Antibody concordance  
Scores0Ab1Ab2Ab3Ab
2010 criteria
 30 (0) a46 (11.7)170 (43.1)178 (45.2)
 20 (0)75 (67.6)33 (29.7)3 (2.7)
 0498 (90.2)54 (9.8)0 (0)0 (0)
  1. aEach cell of the table contains the number of EA patients and, between brackets, the percentage of the row total they represent