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  3. Assessing Chatgpt 4.0's Test Performance And Clinical Diagnostic Accuracy On Usmle Step 2 Ck And Clinical Case Reports.
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  3. Assessing Chatgpt 4.0's Test Performance And Clinical Diagnostic Accuracy On Usmle Step 2 Ck And Clinical Case Reports.

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Assessing ChatGPT 4.0's test performance and clinical diagnostic accuracy on USMLE STEP 2 CK and clinical case

Allen Shieh1, Brandon Tran2, Gene He1

  • 1Virginia Commonwealth University School of Medicine, Richmond, VA, USA.

Scientific Reports
|April 23, 2024

View abstract on PubMed

Summary
This summary is machine-generated.

Artificial intelligence (AI) chatbots like ChatGPT 4.0 show improved accuracy in answering United States Medical Licensing Exam (USMLE) questions and generating differential diagnoses for clinical cases.

Keywords:
Case reportsChatGPT 4Diagnostic accuracyUSMLE

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Area of Science:

  • Medical Education Technology
  • Artificial Intelligence in Healthcare
  • Clinical Decision Support Systems

Background:

  • Growing use of AI chatbots in various fields, including medicine.
  • Limited data exists on the diagnostic accuracy of AI, specifically large language models (LLMs) like ChatGPT 4.0, in clinical settings.
  • Previous versions of AI chatbots have demonstrated varying performance on medical knowledge assessments.

Purpose of the Study:

  • To evaluate the accuracy of ChatGPT 4.0 in answering United States Medical Licensing Exam (USMLE) Step 2 questions.
  • To assess ChatGPT 4.0's capability in generating accurate differential diagnoses from clinical case vignettes.
  • To compare the performance of ChatGPT 4.0 against its predecessor, ChatGPT 3.5, on standardized medical questions.

Main Methods:

  • 109 USMLE Step 2 Clinical Knowledge (CK) practice questions were administered to ChatGPT 3.5 and ChatGPT 4.0.
  • ChatGPT 4.0 was presented with 63 published case report vignettes to generate the top three differential diagnoses.
  • The confidence of ChatGPT 4.0's diagnostic accuracy was analyzed by ranking its differential diagnoses.

Main Results:

  • ChatGPT 4.0 demonstrated significantly improved accuracy on USMLE Step 2 CK questions, increasing from 47.7% (ChatGPT 3.5) to 87.2%.
  • ChatGPT 4.0 successfully generated accurate differential diagnoses for 74.6% of the 63 clinical case reports.
  • Of the correct diagnoses provided by ChatGPT 4.0, 70.2% were ranked as the most likely.

Conclusions:

  • ChatGPT 4.0 exhibits enhanced performance in answering standardized medical licensing examination questions.
  • The study highlights the potential of LLMs like ChatGPT 4.0 as tools for clinical case analysis and differential diagnosis generation.
  • Iterative improvements in AI technology are enhancing its utility and accuracy in medical applications.