In ACPA-positive RA, for the same categories, the ORs (95% CI) were 1.41 (0.79–2.49), 2.86 (2.02–4.06), and 3.62 (1.53–8.55), respectively (p = 0.24, <0.01, and <0.01, respectively). Here, PRTN3 is linked to rheumatoid arthritis.