Built-in selection or confounder bias? Dynamic Landmarking in matched propensity score analyses

Abstract Background Propensity score matching has become a popular method for estimating causal treatment effects in non-randomized studies. However, for time-to-event outcomes, the estimation of hazard ratios based on propensity scores can be challenging if omitted or unobserved covariates are pres...

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Bibliographic Details

Published in:	BMC Medical Research Methodology
Main Authors:	Alexandra Strobel, Andreas Wienke, Jan Gummert, Sabine Bleiziffer, Oliver Kuss
Format:	Article
Language:	English
Published:	BMC 2024-12-01
Subjects:	Cox model Hazard ratio Built-in selection bias Confounding bias
Online Access:	https://doi.org/10.1186/s12874-024-02444-7