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Hidden yet quantifiable: A lower bound for confounding strength using randomized trials
Feb. 22, 2024, 5:43 a.m. | Piersilvio De Bartolomeis, Javier Abad, Konstantin Donhauser, Fanny Yang
cs.LG updates on arXiv.org arxiv.org
Abstract: In the era of fast-paced precision medicine, observational studies play a major role in properly evaluating new treatments in clinical practice. Yet, unobserved confounding can significantly compromise causal conclusions drawn from non-randomized data. We propose a novel strategy that leverages randomized trials to quantify unobserved confounding. First, we design a statistical test to detect unobserved confounding with strength above a given threshold. Then, we use the test to estimate an asymptotically valid lower bound on …
abstract arxiv clinical confounding cs.lg data hidden major medicine novel practice precision precision medicine role stat.ml strategy studies type
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