Skip to main content

Table 4 Value of κ statistic between the different ACPA assays in population 2

From: Diagnostic value of anti-human citrullinated fibrinogen ELISA and comparison with four other anti-citrullinated protein assays

 

κ

 

AhFibA

Anti-CCP1

Anti-CCP2

Anti-PepA

Anti-PepB

AhFibA

-

    

Anti-CCP1

0.552

-

   

Anti-CCP2

0.710

0.609

-

  

Anti-PepA

0.540

0.766

0.605

-

 

Anti-PepB

0.618

0.811

0.679

0.842

-

  1. Values for κ statistic were calculated after dichotomization with previously defined >98% specific cut-offs [5,14,18]. ACPA, anti-citrullinated protein/peptide antibody; AhFibA, anti-human fibrinogen (auto)antibodies; CCP, cyclic citrullinated peptide.
Back to article page

Arthritis Research & Therapy

ISSN: 1478-6362

Contact us