Fig. 1From: Comparative effectiveness of abatacept versus tocilizumab in rheumatoid arthritis patients with prior TNFi exposure in the US Corrona registryFlow diagram for tocilizumab (TCZ) and abatacept (ABA) initiators based on the study criteria. No prior comparison drug means the TCZ patients had no prior exposure to ABA and the ABA patients had no prior exposure to TCA. CDAI Clinical Disease Activity Index, Mod moderate, RA rheumatoid arthritis, TNF tumor necrosis factorBack to article page