One-stage parametric meta-analysis of time-to-event outcomes.
One-stage parametric meta-analysis of time-to-event outcomes.
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DOI:
10.1002/sim.4086
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发表时间:
2010-12-20
影响因子:
2
通讯作者:
Tierney, J. F.
中科院分区:
文献类型:
--
作者:
Siannis, F.;Barrett, J. K.;Farewell, V. T.;Tierney, J. F.
关键词:
Methodology for the meta-analysis of individual patient data with survival end-points is proposed. Motivated by questions about the reliance on hazard ratios as summary measures of treatment effects, a parametric approach is considered and percentile ratios are introduced as an alternative to hazard ratios. The generalized log-gamma model, which includes many common time-to-event distributions as special cases, is discussed in detail. Likelihood inference for percentile ratios is outlined. The proposed methodology is used for a meta-analysis of glioma data that was one of the studies which motivated this work. A simulation study exploring the validity of the proposed methodology is available electronically. Copyright © 2010 John Wiley & Sons, Ltd.
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