Comparison of evidence of treatment effects in randomized and nonrandomized studies
… However, we tried to ensure that the comparison of the summary treatment effects between
… major widely known recent trials that might offset the comparison of the magnitude of effects. …
… major widely known recent trials that might offset the comparison of the magnitude of effects. …
Simultaneous comparison of multiple treatments: combining direct and indirect evidence
DM Caldwell, AE Ades, JPT Higgins - Bmj, 2005 - bmj.com
… We describe comparisons of three or more treatments, based on pair-wise or multi-arm …
when the entire body of evidence could be summarised in terms of four relative treatment effects. …
when the entire body of evidence could be summarised in terms of four relative treatment effects. …
Comparison of treatment effects between animal experiments and clinical trials: systematic review
… We identified six interventions for which there was evidence of a treatment effect (benefit
or harm) in systematic reviews of clinical trials and we carried out a systematic review of the …
or harm) in systematic reviews of clinical trials and we carried out a systematic review of the …
Combination of direct and indirect evidence in mixed treatment comparisons
G Lu, AE Ades - Statistics in medicine, 2004 - Wiley Online Library
… effects models that allow for variation in true treatment effects … is homogeneous across
treatment comparisons as well as … (unconstrained) baseline study effects with models with random …
treatment comparisons as well as … (unconstrained) baseline study effects with models with random …
Mixed treatment comparison analysis provides internally coherent treatment effect estimates based on overviews of reviews and can reveal inconsistency
DM Caldwell, NJ Welton, AE Ades - Journal of clinical epidemiology, 2010 - Elsevier
… from systematic reviews, MTC methods should be used in overviews to provide a single
coherent analysis of all treatment comparisons and to check for evidence consistency. …
coherent analysis of all treatment comparisons and to check for evidence consistency. …
Assessing evidence inconsistency in mixed treatment comparisons
G Lu, AE Ades - Journal of the American Statistical Association, 2006 - Taylor & Francis
… For describing all possible treatment effects in a model, we need to … treatment effects
across the entire evidence ensemble, or where we need a prediction for a treatment comparison …
across the entire evidence ensemble, or where we need a prediction for a treatment comparison …
Empirical evidence of bias in treatment effect estimates in controlled trials with different interventions and outcomes: meta-epidemiological study
… In this analysis (12 meta-analyses including 60 trials) there was no evidence of an association
between blinding and intervention effect estimates (ratio of odds ratios 1.02 (0.92 to 1.14))…
between blinding and intervention effect estimates (ratio of odds ratios 1.02 (0.92 to 1.14))…
Comparison of treatment effect estimates from prospective nonrandomized studies with propensity score analysis and randomized controlled trials of surgical …
G Lonjon, I Boutron, L Trinquart, N Ahmad… - Annals of …, 2014 - journals.lww.com
… In fact, evidence-based surgery is widely based on evidence from NRSs and we need
appropriate methods for limiting confounding bias. PS analysis could be an interesting technique …
appropriate methods for limiting confounding bias. PS analysis could be an interesting technique …
Evidence-based treatments for depression and anxiety versus treatment-as-usual: a meta-analysis of direct comparisons
… The aim of this study was to examine the relative efficacy of evidence-based treatments (EBTs)
versus treatment-as-usual (TAU) in routine care for anxiety and depression in adults. …
versus treatment-as-usual (TAU) in routine care for anxiety and depression in adults. …
Empirical evidence of bias: dimensions of methodological quality associated with estimates of treatment effects in controlled trials
KF Schulz, I Chalmers, RJ Hayes, DG Altman - Jama, 1995 - jamanetwork.com
… This study provides empirical evidence that inadequate methodological approaches in
controlled trials, particularly those representing poor allocation concealment, are associated with …
controlled trials, particularly those representing poor allocation concealment, are associated with …
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- treatment effect estimates
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