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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

Score

RA

Non-RA

PPV b

Level

RA

Non-RA

PPV

3

350

44

88.8%

3Ab

174

7

96.1%

2

47

64

42.3%

2Ab

167

36

82.3%

–

–

–

–

1Ab

68

107

38.9%

0

129

423

23.4%

0Ab

117

381

23.5%

  1. aThe serological criteria defined in the 2010 ACR/EULAR RA classification criteria or by the concordance of autoantibodies
  2. bPPV positive predictive value
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Arthritis Research & Therapy

ISSN: 1478-6362

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