In early rheumatoid arthritis, anticitrullinated peptide antibodies associate with low number of affected joints and rheumatoid factor associates with systemic inflammation

Abstract

ObjectivesTo investigate how individual rheumatoid arthritis (RA) autoantibodies associate with individual signs and symptoms at the time of RA diagnosis.MethodsIgA, IgG, IgM rheumatoid factor (RF), antibodies against cyclic citrullinated peptide...