Article(id=1321169735669108815, tenantId=1146029695717560320, journalId=1319373219989389464, issueId=1321169735128043598, articleNumber=null, orderNo=null, doi=10.11847/zgggws1146966, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1737302400000, receivedDateStr=2025-01-20, revisedDate=1744214400000, revisedDateStr=2025-04-10, acceptedDate=1748534400000, acceptedDateStr=2025-05-30, onlineDate=1792921011130, onlineDateStr=2026-10-25, pubDate=1752076800000, pubDateStr=2025-07-10, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792921011130, onlineIssueDateStr=2026-10-25, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792921011130, creator=13701087609, updateTime=1792921011130, updator=13701087609, issue=Issue{id=1321169735128043598, tenantId=1146029695717560320, journalId=1319373219989389464, year='2025', volume='41', issue='7', pageStart='769', pageEnd='896', issueExtLink='null', onlineDate='null', pubDate='1752076800000', pubDateStr='2025-07-10', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792921011000, creator='13701087609', updateTime=1792921011000, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=769, endPage=775, ext={EN=ArticleExt(id=1321169735996264529, articleId=1321169735669108815, tenantId=1146029695717560320, journalId=1319373219989389464, language=EN, title=Definition, methods, and applications of causal machine learning in medicine, columnId=1321169735887212624, journalTitle=Chinese Journal of Public Health, columnName=Perspective, runingTitle=null, highlight=null, articleAbstract=
With therapid advancement of medical science and technology, machine learning has become an integral component of precision medicine. However, traditional machine learning methods often focus on the correlation analysis between independent and outcome variables, which can hinder their ability to accurately identify causal relationships. This limitation leads to biased clinical conclusions, impacting the precision and reliability of clinical decision-making. Causal machine learning has emerged as a promising approach to overcome these limitations, and its application in the medical field is expanding. This paper systematically explores the definition and core concepts of causal machine learning, clarifies its specific application scope in disease prevention, and delves into its unique advantages over traditional machine learning, statistical models, and causal inference. Furthermore, it outlines the practical methodologies, operational steps, and key technical aspects of causal machine learning in medical practice. By presenting specific case studies, the paper discusses the applications of causal machine learning in disease prevention, highlighting both its strengths and weaknesses. Ultimately, the goal is to standardize and promote the scientific application of causal machine learning in the medical domain.
, authors=Ben NIU
1, Mengjie WAN
1, Jue LIU
2, authorsList=Ben NIU, Mengjie WAN, Jue LIU, authorCompany=null, correspAuthors=Jue LIU, authorNote=null, correspAuthorsNote=
, copyrightStatement=Copyright © 2025 Chinese Journal of Public Health. All rights reserved., copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1321169738529624153, articleId=1321169735669108815, tenantId=1146029695717560320, journalId=1319373219989389464, language=CN, title=因果机器学习的原理、方法及其在疾病防治的创新应用, columnId=1321169736071762002, journalTitle=中国公共卫生, columnName=述 评, runingTitle=null, highlight=null, articleAbstract=
随着医疗科学技术的快速演进,机器学习作为关键要素已深度融入精准医疗。但传统机器学习方法往往聚焦于自变量与结局变量之间的相关性分析,难以精准识别因果关系,易导致临床结论偏差,影响临床决策的准确性与可靠性。因果机器学习能有效突破这一瓶颈,其在医学领域的应用范围正逐步扩大。本文系统地阐述了因果机器学习的定义与相关概念,明确了其在疾病防治中的具体适用范围,并深入剖析了其相较于传统机器学习、传统统计模型和因果推断的独特优势。进一步详细阐述了因果机器学习在医学实践中的具体方法流程、操作步骤以及关键技术要点。最后,结合具体的案例讲解因果机器学习在疾病干预措施中的应用及其优缺点,旨在规范并促进其在医学领域的广泛应用。
, authors=牛奔
1, 万梦洁
1, 刘珏
2, *, *, authorsList=牛奔, 万梦洁, 刘珏, authorCompany=null, correspAuthors=刘珏, authorNote=
牛奔(1980—),教授,博士,研究方向:人工智能与医疗大数据
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2School of Public Health, Peking University; Key Laboratory of Epidemiology of Major Diseases (Peking University), Ministry of Education, Beijing 100191, China), AuthorCompanyExt(id=1321169738915500127, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1321169735669108815, companyId=1321169738898722909, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2北京大学公共卫生学院流行病与卫生统计学系 北京大学重大疾病流行病学教育部重点实验室 北京 100191)])], figs=[ArticleFig(id=1321169740165402741, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1321169735669108815, language=EN, label=Fig.1, caption=
The basic steps of causal machine learning, figureFileSmall=XNhkWkX7wijVk9FwbcmBFQ==, figureFileBig=6vWInYqvSR2vpZ3LdTsSnw==, tableContent=null), ArticleFig(id=1321169740249288822, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1321169735669108815, language=CN, label=图1, caption=
因果机器学习的基本步骤, figureFileSmall=XNhkWkX7wijVk9FwbcmBFQ==, figureFileBig=6vWInYqvSR2vpZ3LdTsSnw==, tableContent=null), ArticleFig(id=1321169740492558455, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1321169735669108815, language=EN, label=Fig.2, caption=
Causal graph - Taking diabetes prevention and treatment research as an example, figureFileSmall=9P13aPePmrrnh9QX7FImrg==, figureFileBig=5xNvS4ChvTsM0ndKXjYPdw==, tableContent=null), ArticleFig(id=1321169740568055928, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1321169735669108815, language=CN, label=图2, caption=
因果图——以糖尿病防治研究为例, figureFileSmall=9P13aPePmrrnh9QX7FImrg==, figureFileBig=5xNvS4ChvTsM0ndKXjYPdw==, tableContent=null), ArticleFig(id=1321169740777771129, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1321169735669108815, language=EN, label=Fig.3, caption=
Potential outcome framework diagram of "effect heterogeneity" and "intervention type", figureFileSmall=z6nNYauOZMvErcbZc55jcA==, figureFileBig=dHoFUci/f0OPSbsDRcLWvQ==, tableContent=null), ArticleFig(id=1321169740861657210, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1321169735669108815, language=CN, label=图3, caption=
“效果异质性”和“干预类型”的潜在结果框架图, figureFileSmall=z6nNYauOZMvErcbZc55jcA==, figureFileBig=dHoFUci/f0OPSbsDRcLWvQ==, tableContent=null), ArticleFig(id=1321169740920377467, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1321169735669108815, language=EN, label=Tab.1, caption=
Comparison of causal machine learning with traditional machine learning, traditional statistical models, and causal inference models in the medical field
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| 项目 | 因果机器学习 | 传统机器学习 | 传统统计学模型 | 因果推断方法 |
|---|
| 目的 | 量化干预所致的结果变化 | 预测结局事件发生风险 | 统计推断 | 量化干预所致的结果变化 |
| 侧重点 | 因果推断 | 机器学习 | 假设检验 | 假设检验与因果推断结合 |
| 对数据分布的条件要求 | 不严格 | 不严格 | 严格(线性依赖等) | 严格(线性依赖等) |
| 对观测数据的要求 | 更大样本为宜 | 更大样本为宜 | 小样本(满足样本量要求即可) | 小样本(满足样本量要求即可) |
), ArticleFig(id=1321169742577127548, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1321169735669108815, language=CN, label=表1, caption=
在医学领域中因果机器学习与传统机器学习、传统统计学模型和因果推断模型的比较
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| 项目 | 因果机器学习 | 传统机器学习 | 传统统计学模型 | 因果推断方法 |
|---|
| 目的 | 量化干预所致的结果变化 | 预测结局事件发生风险 | 统计推断 | 量化干预所致的结果变化 |
| 侧重点 | 因果推断 | 机器学习 | 假设检验 | 假设检验与因果推断结合 |
| 对数据分布的条件要求 | 不严格 | 不严格 | 严格(线性依赖等) | 严格(线性依赖等) |
| 对观测数据的要求 | 更大样本为宜 | 更大样本为宜 | 小样本(满足样本量要求即可) | 小样本(满足样本量要求即可) |
), ArticleFig(id=1321169742673596541, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1321169735669108815, language=EN, label=Tab.2, caption=
Checklist of implementation steps for an example based on causal machine learning
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| 步骤 | 条目细节 |
|---|
| 1.确定研究问题并收集数据 | 研究问题:评估ePROM警报干预对膝关节和髋关节置换术患者的干预措施效果及异质性,并探究哪些患者亚组从该干预中受益最大。 收集数据:通过德国九家医院开展的多中心、单盲随机对照试验,纳入约8 000例HA/KA患者。 |
2.构建研究问题的因果结构
| 关键变量识别: 治疗变量:术后 ePROM 警报干预。 结局变量:患者在入院和出院12个月后的PROM评分差异(如EQ-5D-5L、EQ-VAS、PROMIS-F-SF、HOOS-PS、KOOS-PS等) 协变量:年龄、BMI、术前 PROM 评分、性别、时间到动员、各种疾病指标、教育、工作状态、是否与医生讨论 PROMs、依从性和生活状况等。 因果图绘制。 因果图:文中未明确展示因果图,但描述了变量之间的关系,如治疗变量直接影响结局变量,协变量通过影响治疗效果或结局变量间接发挥作用。 |
| 3.选择因果量 | ATE:评估整体干预效果。 CATE:评估特定亚群对干预的反应。 治疗变量:二元变量(接受或未接受 ePROM 警报干预),通过对比接受与未接受治疗所产生的结果差异来确定因果量。 |
| 4.评估可识别性假设的合理性 | 由于数据来源于 RCT,其随机分配方式确保了治疗效果的可识别性。 |
| 5.选择并拟合因果机器学习方法 | 因果机器学习方法:因果森林 预处理数据:依据因果图预处理数据,选择关键变量。 模型训练:使用因果森林方法,通过R语言的grf包进行模型训练,估计ATE和CATE。 超参数调整:在模型训练过程中,依据因果逻辑关系调整超参数,并通过训练与评估流程不断优化模型性能。 |
| 6.评估因果机器学习方法 | 预测准确性:部分符合(通过计算ATE和CATE的估计值及其置信区间来评估模型的预测准确性) |
| 7.执行稳健性检验 | 文章执行了稳健性检验,即综合检验 (omnibus test),检验因果森林的校准情况以及是否存在总体干预措施效果异质性。 |
| 8.结果解读 | 干预措施效果:解读了ATE和CATE,通过统计学方法(如置信区间)确认了干预对HA和KA患者的整体效果在多数指标上显著,但效果幅度较小。 |
), ArticleFig(id=1321169742749094014, tenantId=1146029695717560320, journalId=1319373219989389464, articleId=1321169735669108815, language=CN, label=表2, caption=
基于因果机器学习的实例实施步骤核对表
, figureFileSmall=null, figureFileBig=null, tableContent=
| 步骤 | 条目细节 |
|---|
| 1.确定研究问题并收集数据 | 研究问题:评估ePROM警报干预对膝关节和髋关节置换术患者的干预措施效果及异质性,并探究哪些患者亚组从该干预中受益最大。 收集数据:通过德国九家医院开展的多中心、单盲随机对照试验,纳入约8 000例HA/KA患者。 |
2.构建研究问题的因果结构
| 关键变量识别: 治疗变量:术后 ePROM 警报干预。 结局变量:患者在入院和出院12个月后的PROM评分差异(如EQ-5D-5L、EQ-VAS、PROMIS-F-SF、HOOS-PS、KOOS-PS等) 协变量:年龄、BMI、术前 PROM 评分、性别、时间到动员、各种疾病指标、教育、工作状态、是否与医生讨论 PROMs、依从性和生活状况等。 因果图绘制。 因果图:文中未明确展示因果图,但描述了变量之间的关系,如治疗变量直接影响结局变量,协变量通过影响治疗效果或结局变量间接发挥作用。 |
| 3.选择因果量 | ATE:评估整体干预效果。 CATE:评估特定亚群对干预的反应。 治疗变量:二元变量(接受或未接受 ePROM 警报干预),通过对比接受与未接受治疗所产生的结果差异来确定因果量。 |
| 4.评估可识别性假设的合理性 | 由于数据来源于 RCT,其随机分配方式确保了治疗效果的可识别性。 |
| 5.选择并拟合因果机器学习方法 | 因果机器学习方法:因果森林 预处理数据:依据因果图预处理数据,选择关键变量。 模型训练:使用因果森林方法,通过R语言的grf包进行模型训练,估计ATE和CATE。 超参数调整:在模型训练过程中,依据因果逻辑关系调整超参数,并通过训练与评估流程不断优化模型性能。 |
| 6.评估因果机器学习方法 | 预测准确性:部分符合(通过计算ATE和CATE的估计值及其置信区间来评估模型的预测准确性) |
| 7.执行稳健性检验 | 文章执行了稳健性检验,即综合检验 (omnibus test),检验因果森林的校准情况以及是否存在总体干预措施效果异质性。 |
| 8.结果解读 | 干预措施效果:解读了ATE和CATE,通过统计学方法(如置信区间)确认了干预对HA和KA患者的整体效果在多数指标上显著,但效果幅度较小。 |
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