Performance of chatGPT-3.5 answering questions from the Brazilian Council of Ophthalmology Board Examination

Abstract

Importance: Large language models being approved in medical boarding examinations highlights problems and challenges for healthcare education, improving tests, and deployment of chatbots. Objective: The objective of this study was to evaluate the performance of ChatGPT-3.5 in answering the Brazilian Council of Ophthalmology Board Examination. Material and Methods: Two independent ophthalmologists inputted all questions to ChatGPT-3.5 and evaluated the responses for correctness, adjudicating in disagreements. We compared the performance of the ChatGPT across tests, ophthalmological themes, and mathematical questions. The included test was the 2022 Brazilian Council of Ophthalmology Board Examination which consists of theoretical test I, II, and theoretical–practical. Results: ChatGPT-3.5 answered 68 (41.46%) questions correctly, 88 (53.66%) wrongly, and 8 (4.88%) undetermined. In questions involving mathematical concepts, artificial intelligence correctly answered 23.8% of questions. In theoretical examinations I and II, correctly answered 43.18% and 40.83%, respectively. There was no statistical difference (odds ratio 1.101, 95% confidence interval 0.548–2.215, P = 0.787) comparing correct answers between tests and comparing within the test themes ( P = 0.646) for correct answers. Conclusion and Relevance: Our study shows that ChatGPT would not succeed in the Brazilian ophthalmological board examination, a specialist-level test, and struggle with mathematical questions. Poor performance of ChatGPT can be explained by a lack of adequate clinical data in training and problems in question formulation, with caution recommended in deploying chatbots for ophthalmology.

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