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Can supervised deep learning architecture outperform autoencoders in building propensity score models for matching?


ABSTRACT:

Purpose

Propensity score matching is vital in epidemiological studies using observational data, yet its estimates relies on correct model-specification. This study assesses supervised deep learning models and unsupervised autoencoders for propensity score estimation, comparing them with traditional methods for bias and variance accuracy in treatment effect estimations.

Methods

Utilizing a plasmode simulation based on the Right Heart Catheterization dataset, under a variety of settings, we evaluated (1) a supervised deep learning architecture and (2) an unsupervised autoencoder, alongside two traditional methods: logistic regression and a spline-based method in estimating propensity scores for matching. Performance metrics included bias, standard errors, and coverage probability. The analysis was also extended to real-world data, with estimates compared to those obtained via a double robust approach.

Results

The analysis revealed that supervised deep learning models outperformed unsupervised autoencoders in variance estimation while maintaining comparable levels of bias. These results were supported by analyses of real-world data, where the supervised model's estimates closely matched those derived from conventional methods. Additionally, deep learning models performed well compared to traditional methods in settings where exposure was rare.

Conclusion

Supervised deep learning models hold promise in refining propensity score estimations in epidemiological research, offering nuanced confounder adjustment, especially in complex datasets. We endorse integrating supervised deep learning into epidemiological research and share reproducible codes for widespread use and methodological transparency.

SUBMITTER: Karim ME 

PROVIDER: S-EPMC11295454 | biostudies-literature | 2024 Aug

REPOSITORIES: biostudies-literature

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Can supervised deep learning architecture outperform autoencoders in building propensity score models for matching?

Karim Mohammad Ehsanul ME  

BMC medical research methodology 20240802 1


<h4>Purpose</h4>Propensity score matching is vital in epidemiological studies using observational data, yet its estimates relies on correct model-specification. This study assesses supervised deep learning models and unsupervised autoencoders for propensity score estimation, comparing them with traditional methods for bias and variance accuracy in treatment effect estimations.<h4>Methods</h4>Utilizing a plasmode simulation based on the Right Heart Catheterization dataset, under a variety of sett  ...[more]

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