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倾向评分匹配法在医学科研工作中的应用及SPSS实操 被引量:24

Application of propensity score matching method in the medical scientific research and operation of SPSS
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摘要 目的探讨倾向评分匹配法(Propensity Score Matching,PSM)在医学科研工作中的应用。通过实例,演示统计分析软件SPSS详细操作过程。方法回顾性数据是医学科研中已经发生的事实数据,具有组间混杂因素不易控制的流行病学特征,导致统计过程中组间基线不均衡,最终不能得出有效的试验结论,而倾向评分匹配法提供了解决这一问题的有效手段。本文通过查阅文献,总结和探讨PSM的原理和应用,并通过一个实例,逐步介绍该方法的SPSS软件操作过程。结果通过SPSS软件的PSM操作,能够有效控制回顾性研究中组间混杂因素。结论PSM是实现回顾性研究中混杂因素控制的一个有效工具,可以为临床资料的数据挖掘提供帮助。 Objective To explore the application of Propensity Score Matching Methods in medical scientific research, and demonstrate the operation process of SPSS. Methods This article summarized and discussed the principle and application of PSM through the literature, a real example was adopted to introduce the operation procedures of SPSS. Results We can use PSM process to control confounding factors between the retrospective study groups effectively through SPSS. Conclusions PSM is an efficient tool to conduct retrospective study. It can provide necessary help for clinical data mining.
出处 《中华医学科研管理杂志》 2017年第4期268-272,共5页 Chinese Journal of Medical Science Research Management
关键词 回顾性研究 倾向评分匹配法 SPSS软件操作 随机对照试验 Retrospective study Propensity score matching method SPSS Randomized controlled trial
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