Causal inference in case of near‐violation of positivity: comparison of methods

In causal studies, the near‐violation of the positivity may occur by chance, because of sample‐to‐sample fluctuation despite the theoretical veracity of the positivity assumption in the population. It may mostly happen when the exposure prevalence is low or when the sample size is small. We aimed to...

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Veröffentlicht in:	Biometrical journal 2022-12, Vol.64 (8), p.1389-1403
Hauptverfasser:	Léger, Maxime, Chatton, Arthur, Le Borgne, Florent, Pirracchio, Romain, Lasocki, Sigismond, Foucher, Yohann
Format:	Artikel
Sprache:	eng
Schlagworte:	Bias causal inference Causality Computer Simulation doubly robust estimators g‐computation Human health and pathology Life Sciences Likelihood Functions Maximum likelihood estimation Models, Statistical positivity Propensity Score real‐world evidence Robustness (mathematics) simulations Statistical analysis
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