Performance characteristics of rheumatoid factor and anti-cyclic citrullinated peptide antibody assays may impact ACR/EULAR classification of rheumatoid arthritis.
Lieve VAN HoovelsJulie JacobsBert Vander CruyssenStefanie Van den BremtPatrick VerschuerenXavier BossuytPublished in: Annals of the rheumatic diseases (2018)
Due to poor harmonisation of RF and ACPA assays and of test result interpretation, RA classification according to 2010 ACR/EULAR criteria may vary when different assays are used.