间接比较和多种干预措施比较的方法学及应用

被引：13

作者：

胡晶

杨智荣

詹思延

机构：

[1] 北京大学公共卫生学院流行病与卫生统计学系

来源：

中国循证儿科杂志 | 2011年 / 6卷 / 06期

关键词：

间接比较; 偏倚; 干预措施; 试验集; 方法学;

D O I：

暂无

中图分类号：

R195 [卫生调查与统计];

学科分类号：

100401 ;

摘要：

<正>基于严格设计随机对照试验(RCTs)的直接比较(direct comparison)或称为头对头比较(head to head comparison)的系统评价,已被公认为是评价干预措施疗效的最高级别证据,称之为传统系统评价。但是,如果想进行一个系统评价,目的是比较两种干预措施A vs B的效果,但目前的RCTs没有两者的直接比较研究,却都有同干预措施C的比较(即A vs C和B vs C),此时,可以将C作为公共比较组,借助间接比较方法得出A vs B的效果,或者虽然有直接比较研究证据,但这些研究数量较少或质量较低,此时

引用

页码：456 / 459

页数：4

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