Reverse Survival Model (RSM): A Pipeline for Explaining Predictions of Deep Survival Models

• URL: http://arxiv.org/abs/2210.15674v1
• Date: Thu, 27 Oct 2022 03:39:01 GMT
• Title: Reverse Survival Model (RSM): A Pipeline for Explaining Predictions of Deep Survival Models
• Authors: Mohammad R. Rezaei, Reza Saadati Fard, Ebrahim Pourjafari, Navid Ziaei, Amir Sameizadeh, Mohammad Shafiee, Mohammad Alavinia, Mansour Abolghasemian, Nick Sajadi
• Abstract summary: We propose the reverse survival model (RSM) framework that provides detailed insights into the decision-making process of survival models. For each patient of interest, RSM can extract similar patients from a dataset and rank them based on the most relevant features that deep survival models rely on for their predictions.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: The aim of survival analysis in healthcare is to estimate the probability of occurrence of an event, such as a patient's death in an intensive care unit (ICU). Recent developments in deep neural networks (DNNs) for survival analysis show the superiority of these models in comparison with other well-known models in survival analysis applications. Ensuring the reliability and explainability of deep survival models deployed in healthcare is a necessity. Since DNN models often behave like a black box, their predictions might not be easily trusted by clinicians, especially when predictions are contrary to a physician's opinion. A deep survival model that explains and justifies its decision-making process could potentially gain the trust of clinicians. In this research, we propose the reverse survival model (RSM) framework that provides detailed insights into the decision-making process of survival models. For each patient of interest, RSM can extract similar patients from a dataset and rank them based on the most relevant features that deep survival models rely on for their predictions.

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