NHANES-GPT: Large Language Models (LLMs) and the Future of Biostatistics

Author:

Titus Alexander J.ORCID

Abstract

AbstractBackgroundLarge Language Models (LLMs) like ChatGPT have significant potential in biomedicine and health, particularly in biostatistics, where they can lower barriers to complex data analysis for novices and experts alike. However, concerns regarding data accuracy and model-generated hallucinations necessitate strategies for independent verification.ObjectiveThis study, using NHANES data as a representative case study, demonstrates how ChatGPT can assist clinicians, students, and trained biostatisticians in conducting analyses and illustrates a method to independently verify the information provided by ChatGPT, addressing concerns about data accuracy.MethodsThe study employed ChatGPT to guide the analysis of obesity and diabetes trends in the NHANES dataset from 2005-2006 to 2017-2018. The process included data preparation, logistic regression modeling, and iterative refinement of analyses with confounding variables. Verification of ChatGPT’s recommendations was conducted through direct statistical data analysis and cross-referencing with established statistical methodologies.ResultsChatGPT effectively guided the statistical analysis process, simplifying the interpretation of NHANES data. Initial models indicated increasing trends in obesity and diabetes prevalence in the U.S.. Adjusted models, controlling for confounders such as age, gender, and socioeconomic status, provided nuanced insights, confirming the general trends but also highlighting the influence of these factors.ConclusionsChatGPT can facilitate biostatistical analyses in healthcare research, making statistical methods more accessible. The study also underscores the importance of independent verification mechanisms to ensure the accuracy of LLM-assisted analyses. This approach can be pivotal in harnessing the potential of LLMs while maintaining rigorous standards of data accuracy and reliability in biomedical research.

Publisher

Cold Spring Harbor Laboratory

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