BTG3 and rheumatoid arthritis: Compared with those in the ANA-negative patients, the multi-adjusted ORs (95% CIs) of rheumatoid arthritis related to ANA titers (1:100, 1:320, and 1:1,000) were 3.95 (3.01, 5.18), 16.63 (9.44, 29.30), and 17.34 (9.53, 31.54), respectively (Table 3).