*The frequency of DRB1 genotypes in ACPA subgroups was calculated as the number of ACPA-positive or ACPA-negative RA cases for a specific DRB1 allele divided by the total number of cases within that A
Additional file 14: Table S11. Gene segment usage association with rheumatoid arthritis. The summary statistics resulting from the association between each V, J and VJ gene segments with rheumatoid ar
