Proposes a fractional imputation plus semi-parametric EM framework for estimating natural direct and indirect effects under deterministic left-censoring of the mediator by assay limit of quantification.
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Evaluating causal indirect effects when mediators are left-censored by assay limit of quantification
Proposes a fractional imputation plus semi-parametric EM framework for estimating natural direct and indirect effects under deterministic left-censoring of the mediator by assay limit of quantification.