从指导方针到实时对话:专家验证的检索增强和微调的GPT-4用于C型肝炎管理
Mauro Giuffrè1,2, Nicola Pugliese3,4, Simone Kresevic5
1Department of Internal Medicine (Section of Digestive Diseases), Yale School of Medicine, Yale University, New Haven, Connecticut, USA.
概括
检索增强生成 (RAG) 和监督微调 (SFT) 显著改善了用于治疗C型肝炎病毒 (HCV) 的大型语言模型 (LLM). 在回答问题和推治疗方面,RAG-Top10表现出卓越的准确性和清晰度.
科学领域:
- 人工智能在医学中的应用
- 医疗保健的自然语言处理.
- 慢性疾病管理技术 慢性疾病管理技术
背景情况:
- 大型语言模型 (LLM) 显示了增强慢性疾病管理的潜力,特别是在C型肝炎病毒 (HCV) 感染方面.
- 评估人工智能技术,如检索增强生成 (RAG) 和监督微调 (SFT),对于其临床应用至关重要.
研究的目的:
- 评估RAG和SFT对LLM在HCV管理中的表现的影响.
- 为了评估LLM在开放式问题的准确性和清晰性.
- 确定LLM在推适合HCV临床情景的治疗方案方面的有效性.
主要方法:
- 使用了基线,RAG-Top1,RAG-Top10和SFT配置的GPT-4轮机.
- 采用了2020年EASL HCV指南,用于外部知识和微调.
- 评估了LLM对15个专家审核问题的答案,以确保准确性和清晰度.
- 在25个模拟的临床场景中对专家共识进行了评估,对DAA治疗方案的建议进行了评估.
主要成果:
- 在回答问题方面,RAG-Top10显著提高了准确度 (91.7%) 和清晰度 (91.7%),相比起基线 (36.6%的准确度,46.6%的清晰度).
- 证券交易所也提高了性能,达到71.7%的准确性和88.3%的清晰度.
- 在推正确的DAA疗法方面,RAG-Top10取得了最高的表现 (76%与基线的24%相比).
结论:
- 无论是RAG还是SFT,都大大提高了LLM在指导方针驱动的HCV管理方面的能力.
- 由于更广泛的上下文检索,RAG-Top10提供了最大的好处.
- 通过SFT对特定领域的调整是有价值的,强调需要专家知情的评估框架,以确保安全的LLM集成.
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