Figure 1.
Study flow chart. b/tsDMARDs, biologic/targeted synthetic disease-modifying antirheumatic drugs; CMUH, China Medical University Hospital; DNA, deoxyribonucleic acid; HBV, hepatitis B virus; HBsAg, hepatitis B virus surface antigen; RA, rheumatoid arthritis; TCVGH, Taichung Veterans General Hospital.