Survival causal rule ensemble method considering the main effect for estimating heterogeneous treatment effects
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Wiley Open Access
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| Format: | Artículo Open Access |
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2024
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| author | Ke Wan Kensuke Tanioka Toshio Shimokawa |
| author_facet | Ke Wan Kensuke Tanioka Toshio Shimokawa Ke Wan Kensuke Tanioka Toshio Shimokawa |
| collection | Wiley Open Access |
| contents | Survival causal rule ensemble method considering the main effect for estimating heterogeneous treatment effects Ke Wan Kensuke Tanioka Toshio Shimokawa Statistics in Medicine With an increasing focus on precision medicine in medical research, numerous studies have been conducted in recent years to clarify the relationship between treatment effects and patient characteristics. The treatment effects for patients with different characteristics are always heterogeneous, and therefore, various heterogeneous treatment effect machine learning estimation methods have been proposed owing to their flexibility and high estimation accuracy. However, most machine learning methods rely on black‐box models, preventing direct interpretation of the relationship between patient characteristics and treatment effects. Moreover, most of these studies have focused on continuous or binary outcomes, although survival outcomes are also important in medical research. To address these challenges, we propose a heterogeneous treatment effect estimation method for survival data based on RuleFit, an interpretable machine learning method. Numerical simulation results confirmed that the prediction performance of the proposed method was comparable to that of existing methods. We also applied a dataset from an HIV study, the AIDS Clinical Trials Group Protocol 175 dataset, to illustrate the interpretability of the proposed method using real data. Consequently, the proposed survival causal rule ensemble method provides an interpretable model with sufficient estimation accuracy. 10.1002/sim.10180 http://onlinelibrary.wiley.com/termsAndConditions#vor |
| doi_str_mv | 10.1002/sim.10180 |
| format | Artículo Open Access |
| id | wiley_oa_10_1002_sim_10180 |
| institution | Wiley Open Access |
| license_str_mv | http://onlinelibrary.wiley.com/termsAndConditions#vor |
| publishDate | 2024 |
| publisher | Wiley |
| record_format | wiley_oa |
| spellingShingle | Survival causal rule ensemble method considering the main effect for estimating heterogeneous treatment effects Ke Wan Kensuke Tanioka Toshio Shimokawa Statistics in Medicine Survival causal rule ensemble method considering the main effect for estimating heterogeneous treatment effects Ke Wan Kensuke Tanioka Toshio Shimokawa Statistics in Medicine With an increasing focus on precision medicine in medical research, numerous studies have been conducted in recent years to clarify the relationship between treatment effects and patient characteristics. The treatment effects for patients with different characteristics are always heterogeneous, and therefore, various heterogeneous treatment effect machine learning estimation methods have been proposed owing to their flexibility and high estimation accuracy. However, most machine learning methods rely on black‐box models, preventing direct interpretation of the relationship between patient characteristics and treatment effects. Moreover, most of these studies have focused on continuous or binary outcomes, although survival outcomes are also important in medical research. To address these challenges, we propose a heterogeneous treatment effect estimation method for survival data based on RuleFit, an interpretable machine learning method. Numerical simulation results confirmed that the prediction performance of the proposed method was comparable to that of existing methods. We also applied a dataset from an HIV study, the AIDS Clinical Trials Group Protocol 175 dataset, to illustrate the interpretability of the proposed method using real data. Consequently, the proposed survival causal rule ensemble method provides an interpretable model with sufficient estimation accuracy. 10.1002/sim.10180 http://onlinelibrary.wiley.com/termsAndConditions#vor |
| title | Survival causal rule ensemble method considering the main effect for estimating heterogeneous treatment effects |
| topic | Statistics in Medicine |
| url | https://onlinelibrary.wiley.com/doi/10.1002/sim.10180 |