Article

Epidemiologic Method Review at Scale: Assessing Charlson Comorbidity Versioning Using a Large Language Model

2025-09-25

Abstract excerpt

The Charlson Comorbidity Index (CCI) is widely used in epidemiologic studies. However, many versions of the CCI have been developed since the original method was published in 1987, and it is unclear which version is used most frequently and how version utilization in research has changed over time. We present an approach using a large language model to extract data from articles by detecting which specific CCI ver...

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Literature Corpus work: fa2d5f8e-f5cd-5ca6-ac6b-4de4a3faf35d
DOI: 10.1101/2025.09.23.25336010

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