Meta 分析中少量研究的效应量估计。

Estimation of the effect size in meta-analysis with few studies.

机构信息

SNTL and Departament d'Economia i Empresa, Universitat Pompeu Fabra, Barcelona, Spain.

出版信息

Stat Med. 2010 Feb 20;29(4):421-30. doi: 10.1002/sim.3814.

PMID:20014355

Abstract

Meta-analysis is often conducted with only a small number of studies. Adjustments of the (restricted) maximum likelihood estimator of the effect size are derived and their gains in efficiency are explored. The proposed estimators are applied to three sets of studies.

摘要

元分析通常仅使用少量研究进行。本文推导了效应量（受限）最大似然估计的调整，并探讨了它们在效率上的提高。所提出的估计量应用于三组研究。