Fig. 2From: Using observational study data as an external control group for a clinical trial: an empirical comparison of methods to account for longitudinal missing dataEstimated proportion of patients achieving the main outcome according to different approaches to missing data in A the ARCTIC trial and B the NOR-VEAC observational study CC, complete (follow-up) case; cens., censoring; IPCW, inverse probability of censoring weighting; MI, multiple imputationBack to article page