PRTN3 and rheumatoid arthritis: Additionally there were correlations between the concentrations of anti-CarP antibodies and the different ACPA specificities in both pre-symptomatic individuals (rs = 0.18 to 0.34, P <0.0001 to 0.04) and RA patients (rs = 0.15 to 0.46, P <0.0001 to 0.04) with the exception of Vim2-17 and Fibα580-600(591) in both groups and Fibß62-81a(72) in the pre-symptomatic individuals.