G
Guido Schwarzer
Researcher at University of Freiburg
Publications - 184
Citations - 18637
Guido Schwarzer is an academic researcher from University of Freiburg. The author has contributed to research in topics: Meta-analysis & Randomized controlled trial. The author has an hindex of 50, co-authored 167 publications receiving 13729 citations. Previous affiliations of Guido Schwarzer include Cochrane Collaboration & University Medical Center Freiburg.
Papers
More filters
Journal ArticleDOI
Recommendations for examining and interpreting funnel plot asymmetry in meta-analyses of randomised controlled trials
Jonathan A C Sterne,Alex J. Sutton,John P. A. Ioannidis,Norma Terrin,David R. Jones,Joseph Lau,James R. Carpenter,Gerta Rücker,Roger M. Harbord,Christopher H. Schmid,Jennifer Tetzlaff,Jonathan J Deeks,Jaime Peters,Petra Macaskill,Guido Schwarzer,Sue Duval,Douglas G. Altman,David Moher,Julian P T Higgins +18 more
TL;DR: How to interpret funnel plot asymmetry, recommends appropriate tests, and explains the implications for choice of meta-analysis model are described.
Journal ArticleDOI
How to perform a meta-analysis with R: a practical tutorial
TL;DR: This publication describes how to perform a meta-analysis with the freely available statistical software environment R, using a working example taken from the field of mental health.
Journal ArticleDOI
Ranking treatments in frequentist network meta-analysis works without resampling methods
Gerta Rücker,Guido Schwarzer +1 more
TL;DR: A frequentist analogue to SUCRA which is based solely on the point estimates and standard errors of the frequentist network meta-analysis estimates under normality assumption and can easily be calculated as means of one-sided p-values is proposed.
Journal ArticleDOI
Undue reliance on I(2) in assessing heterogeneity may mislead.
TL;DR: As precision increases, while estimates of the heterogeneity variance τ2 remain unchanged on average, estimates of I2 increase rapidly to nearly 100%.
Journal ArticleDOI
Full publication of results initially presented in abstracts
Roberta W. Scherer,Joerg J Meerpohl,Nadine Pfeifer,Christine Schmucker,Guido Schwarzer,Erik von Elm +5 more
TL;DR: Only 63% of results from abstracts describing randomized or controlled clinical trials are published in full, and 'Positive' results were more frequently published than not 'positive' results.