使用无监督机器学习算法发现了不同的癌症缓解现象类型
Hao-Fan Wu1, Jiang-Peng Yan2, Qian Wu1
1Colorectal Cancer Center/Department of Gastrointestinal Surgery, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, China.
Nutrition (Burbank, Los Angeles County, Calif.)
|December 28, 2023
概括
机器学习在一个大型的中国队列中确定了四种不同的癌症缓解现象类型,揭示了严重程度和死亡风险的明显进展. 这种分类有助于个性化治疗和临床试验选择癌症缓解症患者.
科学领域:
- 在瘤学瘤学.
- 生物统计学 生物统计学
- 机器学习 机器学习
背景情况:
- 癌症缓冲症是一种复杂的疾病,具有多种不同的临床表现.
- 了解癌症 cachexia 异质性对于开发有针对性的干预措施至关重要.
- 以前的癌症缓解现象类型的分类缺乏全面的预后分析.
研究的目的:
- 用机器学习来分类癌症缓解症表型.
- 分析已识别的癌症缓解现象型的预后影响.
- 在外部队列上验证基于机器学习的分类模型.
主要方法:
- 在中国进行的一项全国性的多中心观测研究 (2012年10月至2021年4月).
- 基于人口,人体,营养,瘤和生活质量数据的无监督共识聚类.
- 用于死亡率预测的物流和考克斯回归分析;执行外部验证.
主要成果:
- 在4,329名患者中,确定了四种不同的癌症缓解症集群.
- 集群显示从无损伤到严重损伤的临床状态的梯度.
- 死亡率在集群中增加 (32%至68%),生存时间减少.
结论:
- 机器学习有效地分类癌症缓冲现象类型.
- 不同的患者群体促进了个性化治疗策略.
- 现型分类有助于为临床试验选择患者.
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