Cumulative incidence of tuberculosis (TB) in certolizumab pegol (CZP)-treated patients with rheumatoid arthritis (RA) in the pooled RA safety database (N=4049) in relation to study year. Cumulative incidence of tuberculosis (TB) in certolizumab pegol (CZP)-treated patients with rheumatoid arthritis (RA) in the pooled RA safety database (N=4049) in relation to study year. Cumulative incidence of TB in RA trials between 1998 and the safety data-cut in November 2011. The cumulative number of recruited patients in each study year are also presented. *Vaccine study, CERTAIN, DOSEFLEX, REALISTIC. X Mariette et al. RMD Open 2015;1:e000044 Copyright © BMJ Publishing Group & EULAR. All rights reserved.