使用机器学习和自然语言处理对患者投诉进行分类的智能系统:开发和验证研究
Xiadong Li1, Qiang Shu1, Canhong Kong2
1Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center For Child Health, Hang Zhou, China.
Journal of medical Internet research
|January 8, 2025
概括
这项研究开发了一个使用机器学习 (ML) 和自然语言处理 (NLP) 来分类患者投诉的自动化系统. 支持矢量机 (SVM) 算法有效地对投诉进行了分类,改善了医疗保健反管理.
科学领域:
- 医疗保健信息学 医疗保健信息学
- 人工智能在医学中的应用
- 自然语言处理自然语言处理.
背景情况:
- 准确的患者投诉分类对于医疗保健满意度管理至关重要.
- 传统的手工方法是低效和不精确的.
- 需要自动化方法来简化投诉分类.
研究的目的:
- 开发和验证用于自动分类患者投诉的智能系统.
- 使用机器学习 (ML) 和自然语言处理 (NLP) 技术.
- 提高医疗保健反分析的效率和精度.
主要方法:
- 开发了一个基于ML的NLP系统来提取关键的不满意度术语.
- 使用了1465个投诉记录 (2019-2023) 的数据集和376个投诉的外部数据集.
- 用于数据平衡的合成少数群体过量采样技术 (SMOTE).
- 经过训练和验证的多因素物流回归,多项天真贝叶斯和支持向量机 (SVM) 算法.
- 对外部数据进行了5次交叉验证.
主要成果:
- 支持矢量机 (SVM) 模型实现了最高的准确性.
- 在训练组中,SVM的加权平均准确度为0.93,在内部测试组中为0.87.
- 在外部测试组 (95% CI: 0.87-0.97) 上,SVM算法实现了0.91的平均准确性.
- ngram级术语频率-反向文档频率对分类性能的影响最小.
结论:
- 基于NLP的SVM算法有效地对患者投诉文本进行分类.
- 该系统在通信和管理问题上表现出卓越的性能.
- 建议谨慎对责任感投诉进行分类.
- 这种方法对投诉量高,资源有限的机构来说是有前途的.
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