ChronoSurv proposes a directed graph framework for multimodal survival analysis that models clinical pathways with hierarchical and heterogeneous message passing.
Random survival forests
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abstract
We introduce random survival forests, a random forests method for the analysis of right-censored survival data. New survival splitting rules for growing survival trees are introduced, as is a new missing data algorithm for imputing missing data. A conservation-of-events principle for survival forests is introduced and used to define ensemble mortality, a simple interpretable measure of mortality that can be used as a predicted outcome. Several illustrative examples are given, including a case study of the prognostic implications of body mass for individuals with coronary artery disease. Computations for all examples were implemented using the freely available R-software package, randomSurvivalForest.
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Large-scale neutral benchmark of survival models on low-dimensional right-censored data finds Cox PH performs comparably to more complex methods across discrimination, calibration, and predictive metrics.
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ChronoSurv: A Clinical Pathway-Guided Graph Framework for Multimodal Survival Analysis
ChronoSurv proposes a directed graph framework for multimodal survival analysis that models clinical pathways with hierarchical and heterogeneous message passing.