摘要
Ｍｅｔａ－ａｎａｌｙｓｉｓ（元分析）是一种定量综合研究结果的方法，其在诊断、治疗、危险度评价、干预、预防及决策等方面起着独特的作用，在国外已应用于医学各领域。本文阐述了Ｍｅｔａ分析基本概念和研究内容，介绍了固定效应模型与随机效应模型两个常用统计方法。
eta -analysis was a new method that was
quantitatively combined with the results ofprevious research.It played
an important role in many fields,such as diagnosis,treatment,risk
assessment, intervention,prevention and policy decision.Its basic
conceptand content were introduced,including two commonly-used
statistical methods.
