使用代表性不足的子组微调来提高疾病预测的公平性
Yanchen Wang1, Rex Bone1, Will Fleisher1
1Georgetown University, Washington, DC, U.S.A.
概括
医疗保健中的人工智能需要公平. 一种新的微调方法改善了疾病预测模型,即使数据不平衡,也提高了对所有患者群体的公平性.
科学领域:
- 医疗保健人工智能的人工智能
- 机器学习伦理学 机器学习伦理学
背景情况:
- 人工智能 (AI) 越来越多地用于医疗保健中的疾病预测.
- 由于人口差异,人们对人工智能模型的透明度,问责制和公平性存在担忧.
- 有限的研究解决了改善模型公平性的问题,特别是在多变量敏感属性和倾斜的组分布方面.
研究的目的:
- 探索预测心脏病和阿尔茨海默病及相关痴呆症 (ADRD) 的算法公平性.
- 提出和评估一种新的微调方法,以提高预测模型中的公平性.
主要方法:
- 开发了一种微调方法,使用从多数组数据中预先训练的模型.
- 用代表性不足的子组的数据对模型进行了微调,以纳入特定知识.
- 评估了该方法的表现与其他公平性设定方法相比.
主要成果:
- 提议的微调方法在所有子组中都超过了现有的方法.
- 即使在高度不平衡的子组分布和非常小的子组中,也证明了有效性.
- 该方法成功地结合了子组特定的知识.
结论:
- 微调方法是改善疾病预测中的AI模型公平性的有希望的方法.
- 这项工作有助于开发更公平的医疗保健人工智能工具,解决预测建模中的差异.
- 对提高公平性的技术进行进一步的研究对于公平的医疗保健AI至关重要.
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