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The built-in selection bias of hazard ratios formalized

By Richard Post and others
It is known that the hazard ratio lacks a useful causal interpretation. Even for data from a randomized controlled trial, the hazard ratio suffers from built-in selection bias as, over time, the individuals at risk in the exposed and unexposed are no longer exchangeable. In this work, we formalize how... Show more
October 29, 2022
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The built-in selection bias of hazard ratios formalized
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