A Case Study Exploring the Current Landscape of Synthetic Medical Record Generation with Commercial LLMs

Fuente: arXiv
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Autores principales: Lin, Yihan, Yu, Zhirong Bella, Lee, Simon
Formato: Preprint
Publicado: 2025
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author Lin, Yihan
Yu, Zhirong Bella
Lee, Simon
author_facet Lin, Yihan
Yu, Zhirong Bella
Lee, Simon
contents Synthetic Electronic Health Records (EHRs) offer a valuable opportunity to create privacy preserving and harmonized structured data, supporting numerous applications in healthcare. Key benefits of synthetic data include precise control over the data schema, improved fairness and representation of patient populations, and the ability to share datasets without concerns about compromising real individuals privacy. Consequently, the AI community has increasingly turned to Large Language Models (LLMs) to generate synthetic data across various domains. However, a significant challenge in healthcare is ensuring that synthetic health records reliably generalize across different hospitals, a long standing issue in the field. In this work, we evaluate the current state of commercial LLMs for generating synthetic data and investigate multiple aspects of the generation process to identify areas where these models excel and where they fall short. Our main finding from this work is that while LLMs can reliably generate synthetic health records for smaller subsets of features, they struggle to preserve realistic distributions and correlations as the dimensionality of the data increases, ultimately limiting their ability to generalize across diverse hospital settings.
format Preprint
id arxiv_https___arxiv_org_abs_2504_14657
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle A Case Study Exploring the Current Landscape of Synthetic Medical Record Generation with Commercial LLMs
Lin, Yihan
Yu, Zhirong Bella
Lee, Simon
Computation and Language
Artificial Intelligence
Machine Learning
Synthetic Electronic Health Records (EHRs) offer a valuable opportunity to create privacy preserving and harmonized structured data, supporting numerous applications in healthcare. Key benefits of synthetic data include precise control over the data schema, improved fairness and representation of patient populations, and the ability to share datasets without concerns about compromising real individuals privacy. Consequently, the AI community has increasingly turned to Large Language Models (LLMs) to generate synthetic data across various domains. However, a significant challenge in healthcare is ensuring that synthetic health records reliably generalize across different hospitals, a long standing issue in the field. In this work, we evaluate the current state of commercial LLMs for generating synthetic data and investigate multiple aspects of the generation process to identify areas where these models excel and where they fall short. Our main finding from this work is that while LLMs can reliably generate synthetic health records for smaller subsets of features, they struggle to preserve realistic distributions and correlations as the dimensionality of the data increases, ultimately limiting their ability to generalize across diverse hospital settings.
title A Case Study Exploring the Current Landscape of Synthetic Medical Record Generation with Commercial LLMs
topic Computation and Language
Artificial Intelligence
Machine Learning
url https://arxiv.org/abs/2504.14657