倾向得分法综述

被引:14
作者
Alex Z Fu [1 ]
唐艳 [2 ]
陈刚 [2 ]
机构
[1] Quantitative Health Sciences,Cleveland Clinic,Cleveland,Ohio,USA
关键词
倾向得分; 对照组; 协变量; 伴随变量; 干预组; 第一阶段; 可观测性; 能观测性; 因果效应; 随机化; 随机临床试验; 干预效果;
D O I
暂无
中图分类号
R311 [医用数学];
学科分类号
摘要
倾向得分是在给定观察变量前提下接受干预的条件概率。倾向得分法试图通过准随机过程来去除比较组与其他观察因素的混杂效应。本文首先把倾向得分法与随机选择及标准匹配技术进行了比较。然后描述了倾向得分法的实际应用。第一阶段是建立倾向得分模型,第二阶段就应用倾向得分去评价研究结果。最后本文对倾向得分的优劣势进行了讨论。
引用
收藏
页码:27 / 34
页数:8
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