Methods to address selection bias in post-trial studies of legacy effects were evaluated

Post-trial follow-up studies have become increasingly important to investigate the long-term effectiveness of interventions after randomized controlled trials (RCTs). Legacy effects refer to intervention effects that are only observed after the trial has ended and are not the direct effects observed during the trial period. However, limited attention has been given to the potential selection bias in post-trial studies.

Source: Journal of Clinical Epidemiology - June 7, 2023 Category: Epidemiology Authors: Lin Zhu, Katy J.L. Bell, Andrew Hayen Tags: Original Article Source Type: research