TITLE

Meta-Analysis of Multi-Arm Trials Using Empirical Logistic Transform

AUTHOR(S)
Chootrakool, Hathaikan; Jian Qing Shi
PUB. DATE
January 2008
SOURCE
Open Medical Informatics Journal;2008, Vol. 2, p112
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Meta-analysis of multi-arm trials has been used increasingly in recent years. The aim of meta-analysis for multi-arm trials is to combine evidence from all possible similar studies. In this paper we propose normal approximation models by using empirical logistic transform to compare different treatments in multi-arm trials, allowing studies of both direct and indirect comparisons. Additionally, a hierarchical structure is introduced in the models to address the problem of heterogeneity among different studies. The proposed models are performed using the data from 31 randomized clinical trials (RCTs) which determine the efficacy of antiplatelet therapy in maintaining vascular patency.
ACCESSION #
44290206

 

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