absolute risk reduction

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    Power of a study to detect risk

    Hello everyone, I have a question regarding Absolute Risk Reduction (ARR) vs Relative Risk Reduction (RRR) in what a study is powered to detect. The article in question is the ACCORD trial. Here is the link: https://www.nejm.org/doi/full/10.1056/NEJMoa0802743 “The study was designed to have a...