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Table 1 Clinical features of RA patients’ sera studied by immunoprecipitation

From: Characterization and use of the ECV304 autoantigenic citrullinome to understand anti-citrullinated protein/peptide autoantibodies in rheumatoid arthritis

 

RA1

RA2

RA3

Age (years) / Sex

64 / F

67 / F                   

50 / F                 

Disease duration (years)

13

16

29

Extra-articular manifestations

Nodulesa, vasculitis

ILDb

Uveitis

RF (negative < 14 IU/mL)

349

1440

 < 20

CCP (negative < 5 RU/mL)

 > 200

176

 > 200

ECV304 (negative < 0.044 delta OD)

0.547

0.294

0.065

  1. aSubcutaneous nodules
  2. b ILD Interstitial lung disease