机器学习用于头部和部状细胞癌的生存结果:一个多中心验证研究
Rasheed Omobolaji Alabi1,2, Orlando Guntinas-Lichius3, Mohammed Elmusrati4,5
1Research Program in Systems Oncology, Faculty of Medicine, University of Helsinki, Helsinki, Finland. rasheed.alabi@helsinki.fi.
Scientific reports
|November 29, 2025
概括
这项研究开发了一种机器学习模型,利用临床病理学和治疗数据预测头部和部状细胞癌 (HNSCC) 患者的整体存活率. 外部验证证实了它的通用性,突出了个性化治疗的关键预后因素.
科学领域:
- 在瘤学瘤学.
- 医疗信息学 医疗信息学
- 机器学习 机器学习
背景情况:
- 头部和部状细胞癌 (HNSCC) 通常在晚期出现,导致预后不佳.
- 机器学习 (ML) 模型为个性化治疗规划提供了潜力,但需要强大的外部验证.
研究的目的:
- 开发和外部验证用于预测HNSCC患者整体存活率 (OS) 的机器学习模型.
- 整合临床病理学和与治疗相关的因素,以提高预后准确度.
- 通过 permutation feature importance (PFI) 来识别关键的预后参数. 通过 permutation feature importance (PFI) 来确定关键的预后参数.
主要方法:
- 使用来自美国SEER计划 (n=40,164) 的数据开发了一个投票组合ML模型.
- 该模型使用来自德国 (n=3950) 和瑞典 (n=323) 的多中心数据进行了外部验证.
- 转换特征重要性 (PFI) 用于评估输入变量的预后意义.
主要成果:
- 在SEER队列中,ML模型实现了0.76的AUC和70.0%的准确性.
- 外部验证的AUC值为0.68 (德国) 和0.76 (瑞典),证明了性能变化的概括性.
- PFI确定了诊断时的年龄,T阶段,瘤部位,婚姻状况和手术治疗作为OS的关键预测因素.
结论:
- 开发的ML模型对预测HNSCC患者的存活率充满希望,可以帮助做出基于风险的治疗决策.
- 外部地理验证对于评估模型可重现性和通用性至关重要,即使性能指标有所不同.
- 虽然独立验证是理想的,但数据隐私问题可能会在将其整合到ML开发管道中带来挑战.
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