Issues relating to confounding and meta-analysis when including non-randomized studies in systematic reviews on the effects of interventions

Structural Approach to Bias in Meta-analyses

(2012) Ian Shrier   Research Synthesis Methods

Meta-analyses of Adverse Effects Data Derived from Randomised Controlled Trials as Compared to Observational Studies: Methodological Overview

(2011) Su Golder et al.   PLOS MEDICINE

A proposed method of bias adjustment for meta-analyses of published observational studies

(2010) Simon Thompson et al.   INTERNATIONAL JOURNAL OF EPIDEMIOLOGY

Development of a combined database for meta-epidemiological research

(2010) Jelena Savović et al.   Research Synthesis Methods

Can Nonrandomized Experiments Yield Accurate Answers? A Randomized Experiment Comparing Random and Nonrandom Assignments

(2009) William R. Shadish et al.   JOURNAL OF THE AMERICAN STATISTICAL ASSOCIATION

Systematically missing confounders in individual participant data meta-analysis of observational cohort studies

(2009)   STATISTICS IN MEDICINE

Models for potentially biased evidence in meta-analysis using empirically based priors

(2008) N. J. Welton et al.   JOURNAL OF THE ROYAL STATISTICAL SOCIETY SERIES A-STATISTICS IN SOCIETY

Bias modelling in evidence synthesis

(2008) Rebecca M. Turner et al.   JOURNAL OF THE ROYAL STATISTICAL SOCIETY SERIES A-STATISTICS IN SOCIETY