Wellcome Open Res
Instrumental variable analysis applied to randomised controlled trials of glucagon-like-peptide-1 receptor agonists and bariatric surgery: A study protocol
Preprint: study protocolInterventions
Abstract
Background: Randomised controlled trials (RCTs) can be used to determine causal effect of an exposure (e.g. body mass index (BMI)) on an outcome (e.g. blood pressure (BP)) using randomisation as an instrumental variable (IV).
The paper
University of Bristol
Wellcome Open Res, 6 Aug 2026, CC BY, Preprint, not peer-reviewed


