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Published on in Vol 14 (2026)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/93922, first published .
LLM brain graphic connected to data server, showing car accident report and ISS high risk meter

Automating Injury Severity Score Calculation From Free-Text Discharge Diagnoses Using Domain-Specific Retrieval-Augmented Large Language Models: Retrospective Validation Study

Automating Injury Severity Score Calculation From Free-Text Discharge Diagnoses Using Domain-Specific Retrieval-Augmented Large Language Models: Retrospective Validation Study

Ying-Jia Lin   1, 2 , PhD ;   Kuan-Yueh Fang   3 , MD ;   Chien-Hung Liao   3, 4 , MD, FACS, FICS ;   Chi-Tung Cheng   1, 3, 4 , MD, PhD

1 Department of Artificial Intelligence, College of Intelligent Computing, Chang Gung University, Taoyuan, Taiwan

2 Artificial Intelligence Research Center, Chang Gung University, Taoyuan, Taiwan

3 School of Medicine, Chang Gung University, Taoyuan, Taiwan

4 Department of Surgery, Division of Trauma and Emergency Surgery, Chang Gung Memorial Hospital, Taoyuan, Taiwan

Corresponding Author:

  • Chi-Tung Cheng, MD, PhD
  • Department of Surgery
  • Division of Trauma and Emergency Surgery
  • Chang Gung Memorial Hospital
  • No. 5, Fuxing St., Guishan Dist.
  • Taoyuan 333
  • Taiwan
  • Phone: 886 3-328-1200
  • Email: atong89130@gmail.com