Evaluating the effectiveness of large language models in patient education for conjunctivitis

Author:

Wang JingyuanORCID,Shi Runhan,Le Qihua,Shan Kun,Chen ZhiORCID,Zhou Xujiao,He Yao,Hong Jiaxu

Abstract

AimsTo evaluate the quality of responses from large language models (LLMs) to patient-generated conjunctivitis questions.MethodsA two-phase, cross-sectional study was conducted at the Eye and ENT Hospital of Fudan University. In phase 1, four LLMs (GPT-4, Qwen, Baichuan 2 and PaLM 2) responded to 22 frequently asked conjunctivitis questions. Six expert ophthalmologists assessed these responses using a 5-point Likert scale for correctness, completeness, readability, helpfulness and safety, supplemented by objective readability analysis. Phase 2 involved 30 conjunctivitis patients who interacted with GPT-4 or Qwen, evaluating the LLM-generated responses based on satisfaction, humanisation, professionalism and the same dimensions except for correctness from phase 1. Three ophthalmologists assessed responses using phase 1 criteria, allowing for a comparative analysis between medical and patient evaluations, probing the study’s practical significance.ResultsIn phase 1, GPT-4 excelled across all metrics, particularly in correctness (4.39±0.76), completeness (4.31±0.96) and readability (4.65±0.59) while Qwen showed similarly strong performance in helpfulness (4.37±0.93) and safety (4.25±1.03). Baichuan 2 and PaLM 2 were effective but trailed behind GPT-4 and Qwen. The objective readability analysis revealed GPT-4’s responses as the most detailed, with PaLM 2’s being the most succinct. Phase 2 demonstrated GPT-4 and Qwen’s robust performance, with high satisfaction levels and consistent evaluations from both patients and professionals.ConclusionsOur study showed LLMs effectively improve patient education in conjunctivitis. These models showed considerable promise in real-world patient interactions. Despite encouraging results, further refinement, particularly in personalisation and handling complex inquiries, is essential prior to the clinical integration of these LLMs.

Funder

National Natural Science Foundation of China

Research and Development Program of China

Shanghai Medical Innovation Research Program

Shanghai Key Clinical Research Program

Publisher

BMJ

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