[Translated article] ChatGPT in a theoretical examination of Orthopaedic Surgery and Traumatology: Clinical and educational value

Abstract

INTRODUCTION: ChatGPT, a generative artificial intelligence (AI) chatbot, represents a potential tool to support diagnosis, decision-making, and education in orthopaedic surgery and traumatology (OST). The primary aim of this study was to evaluate the ability of ChatGPT-4o to answer questions from a theoretical exam designed for OST residents. The secondary aim was to compare the chatbot's score and response patterns with those of residents, stratified by years of training. METHODS: This was a retrospective observational study. A theoretical OST exam administered in 2024 to residents at a Spanish tertiary hospital was analyzed. The exam comprised 48 multiple-choice questions (10 including images) across different subspecialties. The responses of ChatGPT-4o and the residents were recorded to compare accuracy rates. In addition, the ability to correctly answer questions was analyzed according to topic and association with images. RESULTS: ChatGPT-4o correctly answered 34 out of 48 questions (71%). Its accuracy rate was higher than the average of OST residents (67%), achieving a score comparable to fifth-year residents (70%). However, its performance was notably lower in image-based clinical or radiological questions (30% accuracy). CONCLUSION: ChatGPT-4o is capable of answering questions from a theoretical OST examination, achieving a score higher than the average of OST residents and comparable to that of the most experienced residents (fifth-year). However, the error rate was 29.2%, with a notably lower accuracy in questions involving images and those requiring complex clinical reasoning. The use of this AI model cannot replace the expertise and reasoning of medical professionals.

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