Design differences and variation in results between randomised trials and non-randomised emulations: meta-analysis of RCT-DUPLICATE data.
Rachel HeyardLeonhard HeldSebastian G SchneeweissShirley V WangPublished in: BMJ medicine (2024)
This analysis suggests that a substantial proportion of the observed variation between results from randomised controlled trials and real world evidence studies can be attributed to differences in design emulation.