Research Synthesis Methods

Article	Citations
Language inclusion in ecological systematic reviews and maps: Barriers and perspectives	198
Comment on a review of methods to assess publication and other reporting biases in meta‐analysis	166
Impact of searching clinical trials registers in systematic reviews of pharmaceutical and non‐pharmaceutical interventions: Reanalysis of meta‐analyses	109
Adherence to conflicts of interest policy in Cochrane reviews where authors are also editorial board members: A cross‐sectional analysis	73
Evaluation of the interim Cochrane rapid review methods guidance—A mixed‐methods study on the understanding of and adherence to the guidance	71
Automated data analysis of unstructured grey literature in health research: A mapping review	58
Estimating the reference interval from a fixed effects meta‐analysis	57
Issue Information	51
A framework to characterise the reproducibility of meta‐analysis results with its application to direct oral anticoagulants in the acute treatment of venous thromboembolism	40
Accuracy and precision of fixed and random effects in meta‐analyses of randomized control trials for continuous outcomes	39
Issue Information	33
Combining meta‐analysis with multiple imputation for one‐step, privacy‐protecting estimation of causal treatment effects in multi‐site studies	30
Advice for improving the reproducibility of data extraction in meta‐analysis	26
Facilitating open science practices for research syntheses: PreregRS guides preregistration	25
Rare events meta‐analysis using the Bayesian beta‐binomial model	25
Meta‐analyses of partial correlations are biased: Detection and solutions	25
A framework for synthesizing intervention evidence from multiple sources into a single certainty of evidence rating: Methodological developments from a US National Academies of S	23
A mapping exercise using automated techniques to develop a search strategy to identify systematic review tools	22
What are the best methods for rapid reviews of the research evidence? A systematic review of reviews and primary studies	22
Kenward‐Roger–type corrections for inference methods of network meta‐analysis and meta‐regression	18
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Combining estimators in interlaboratory studies and meta‐analyses	17
Meta‐analyzing partial correlation coefficients using Fisher's z transformation	17
A search of only four key databases would identify most randomized controlled trials of acupuncture: A meta‐epidemiological study	17
Additional considerations and response to ‘graphical representation of overlap for OVErviews (GROOVE tool)’	17

The age of abundant scholarly information and its synthesis– A time when ‘just google it’ is no longer enough	17
Assessment of key characteristics, methodology, and effect size measures used in meta‐analysis of human‐health‐related animal studies	17
Response to Kim et al. “When conducting a systematic review, can one trade search efficiency for potential publication bias?”	17
Zero‐ and few‐shot prompting of generative large language models provides weak assessment of risk of bias in clinical trials	16
Case study meta‐analysis in the social sciences. Insights on data quality and reliability from a large‐N case survey	16
Towards the automatic risk of bias assessment on randomized controlled trials: A comparison of RobotReviewer and humans	15
Development of the individual participant data integrity tool for assessing the integrity of randomised trials using individual participant data	15
How trace plots help interpret meta‐analysis results	14
‘Twenty years of network meta‐analysis: Continuing controversies and recent developments’: A health technology assessment perspective	13
Accuracy of conversion formula for effect sizes: A Monte Carlo simulation	13
Comparing methods for handling missing covariates in meta‐regression	12
Risk of bias assessment in preclinical literature using natural language processing	12
Including non‐English language articles in systematic reviews: A reflection on processes for identifying low‐cost sources of translation support	11
Broad versus narrow research questions in evidence synthesis: A parallel to (and plea for) estimands	11
Two‐stage or not two‐stage? That is the question for IPD meta‐analysis projects	11
Issue Information	10
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Correct standard errors can bias meta‐analysis	10
On the double‐robustness and semiparametric efficiency of matching‐adjusted indirect comparisons	10
Using clinical trial registries to inform Copas selection model for publication bias in meta‐analysis	10
Reporting of Cochrane systematic review protocols with network meta‐analyses—A scoping review	10
Rapid evidence synthesis approach for limits on the search date: How rapid could it be?	10
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MA‐cont:pre/post effect size: An interactive tool for the meta‐analysis of continuous outcomes using R Shiny	10
Meta‐analysis and partial correlation coefficients: A matter of weights	10
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Beyond Google Scholar, Scopus, and Web of Science: An evaluation of the backward and forward citation coverage of 59 databases' citation indices	9
Graphical evaluation of evidence structure within a component network meta‐analysis	9
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Developing prediction models when there are systematically missing predictors in individual patient data meta‐analysis	9
Searchsmart.org: Guiding researchers to the best databases and search systems for systematic reviews and beyond	9
Issue Information	8
Adjusting for misclassification of an exposure in an individual participant data meta‐analysis	8
Issue Information	8
A REML method for the evidence‐splitting model in network meta‐analysis	8
Issue Information	8
Network meta analysis to predict the efficacy of an approved treatment in a new indication	8
Meta‐analysis of prevalence: I2 statistic and how to deal with heterogeneity	7
Response to Hemilä and Chalker's “Pitfalls in choosing data examples for methodological work: Bayesian approaches to a fixed effects meta‐analysis of zinc lozenges for the common cold”	7
Reverse‐Bayes methods for evidence assessment and research synthesis	7
Bayesian meta‐analysis usingSAS PROC BGLIMM	7
PsychOpen CAMA: Publication of community‐augmented meta‐analyses in psychology	7
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A comprehensive review and shiny application on the matching‐adjusted indirect comparison	7
Methodological considerations for novel approaches to covariate‐adjusted indirect treatment comparisons	7
Bayesian sparse modeling to identify high‐risk subgroups in meta‐analysis of safety data	7
Sensitivity analysis for the interactive effects of internal bias and publication bias in meta‐analyses	7
Using artificial intelligence methods for systematic review in health sciences: A systematic review	7
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Bias propagation in network meta‐analysis models	6

Data extraction for evidence synthesis using a large language model: A proof‐of‐concept study	6
Exploring the relevance of the effect of geographical location when searching for studies using Google Search	6
Bayesian meta‐analysis for evaluating treatment effectiveness in biomarker subgroups using trials of mixed patient populations	6
Reevaluation of statistically significant meta‐analyses in advanced cancer patients using the Hartung–Knapp method and prediction intervals—A methodological study	6
Methods for using Bing's AI‐powered search engine for data extraction for a systematic review	6
Synthesizing cross‐design evidence and cross‐format data using network meta‐regression	6
Estimating interactions and subgroup‐specific treatment effects in meta‐analysis without aggregation bias: A within‐trial framework	6
Applying Bradford Hill to assessing causality in systematic reviews: A transparent approach using process tracing	5
Combining endpoint and change data did not affect the summary standardised mean difference in pairwise and network meta‐analyses: An empirical study in depression	5
How should we handle predatory journals in evidence synthesis? A descriptive survey‐based cross‐sectional study of evidence synthesis experts	5
Adapting how to use Google Search to identify studies for systematic reviews in view of a recent change to how search results are displayed	5
Retrieving Cochrane reviews is sometimes challenging and their reporting is not always optimal	5
Meta‐analyses of phase I dose‐finding studies: Application for the development of protein kinase inhibitors in oncology	5
Graphical Representation of Overlap for OVErviews: GROOVE tool	5
Fast‐and‐frugal decision tree for the rapid critical appraisal of systematic reviews	5
Issue Information	5
What you see depends on where you sit: The effect of geographical location on web‐searching for systematic reviews: A case study	5
Exploring methodological approaches used in network meta‐analysis of psychological interventions: A scoping review	5
The impact of continuity correction methods in Cochrane reviews with single‐zero trials with rare events: A meta‐epidemiological study	5
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Network meta‐analysis: Looping back	5
Bayesian pairwise meta‐analysis of time‐to‐event outcomes in the presence of non‐proportional hazards: A simulation study of flexible parametric, piecewise exponential and fractional polynomial models	5
CLUSTER searching approach to inform evidence syntheses: A methodological review	4
A critical reflection on computing the sampling variance of the partial correlation coefficient	4
Combining meta‐epidemiological study datasets on commercial funding of randomised clinical trials: Database, methods, and descriptive results of the COMFIT study	4
Synthesis of evidence from zero‐events studies: A comparison of one‐stage framework methods	4
Methods for population adjustment with limited access to individual patient data: A review and simulation study	4
In‐depth evaluation of machine learning methods for semi‐automating article screening in a systematic review of mechanistic literature	4
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Issue Information	4
Response to: Briscoe “Exploring the relevance of the effect of geographical location when searching for studies using Google Search”	4
Examining how meta‐analytic methods perform in the presence of bias: A simulation study	4
Uncertain about uncertainty in matching‐adjusted indirect comparisons? A simulation study to compare methods for variance estimation	4
Accounting for time dependency in meta‐analyses of concordance probability estimates	4
Sample size calculation for clinical trials analyzed with the meta‐analytic‐predictive approach	4
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Network meta‐interpolation: Effect modification adjustment in network meta‐analysis using subgroup analyses	4
Conducting power analysis for meta‐analysis with dependent effect sizes: Common guidelines and an introduction to the POMADE R package	4
Cumulative meta‐analysis: What works	3
Exact inference for fixed‐effects meta‐analysis of proportions	3
How to plan and manage an individual participant data meta‐analysis. An illustrative toolkit	3
Meta‐regression methods to characterize evidence strength using meaningful‐effect percentages conditional on study characteristics	3
Machine learning for identifying relevant publications in updates of systematic reviews of diagnostic test studies	3
Effect estimates can be accurately calculated with data digitally extracted from interrupted time series graphs	3
P‐hacking in meta‐analyses: A formalization and new meta‐analytic methods	3
Consensus on the definition and assessment of external validity of randomized controlled trials: A Delphi study	3
Regarding approaches to simulating random‐effects	3
The consequences of neglected confounding and interactions in mixed‐effects meta‐regression: An illustrative example	3
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Retrospective median power, false positive meta‐analysis and large‐scale replication	3
Methodological guidance for rapid reviews in healthcare: A scoping review	3
The confounder matrix: A tool to assess confounding bias in systematic reviews of observational studies of etiology	3
Issue Information	3
Location‐scale models for meta‐analysis	3
A real‐world evaluation of the implementation of NLP technology in abstract screening of a systematic review	3
Why do researchers co‐author evidence syntheses with librarians? A mixed‐methods study	3
Graphical tools for visualizing the results of network meta‐analysis of multicomponent interventions	3
Bibliometric study of ‘overviews of systematic reviews’ of health interventions: Evaluation of prevalence, citation and journal impact factor	2
Response to: ‘Additional considerations and response to Graphical Representation of Overlap for OVErviews (GROOVE tool)”	2
Robust variance estimation in small meta‐analysis with the standardized mean difference	2
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Cluster wild bootstrapping to handle dependent effect sizes in meta‐analysis with a small number of studies	2
Investigation of bias due to selective inclusion of study effect estimates in meta‐analyses of nutrition research	2
Searching for medical devices – Practical guidance	2
Combining randomized and non‐randomized data to predict heterogeneous effects of competing treatments	2
Evaluation of statistical methods used to meta‐analyse results from interrupted time series studies: A simulation study	2
Lessons learnt: Undertaking rapid reviews on public health and social measures during a global pandemic	2
On ratio measures of heterogeneity for meta‐analyses	2
Reply to “Comment on a review of methods to assess publication and other reporting biases in meta‐analysis”	2
Meta‐analytic structural equation modeling made easy: A tutorial and web application for one‐stageMASEM	2
Data sharing policies across health research globally: Cross‐sectional meta‐research study	2
Causal assessment in evidence synthesis: A methodological review of reviews	2
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Issue Information	2
A Q statistic with constant weights for assessing heterogeneity in meta‐analysis	2
Issue Information	2
Subsequent full publication of qualitative studies presented at United Kingdom Royal College of Nursing Research Conference 2015 and 2016: A follow‐up study	2
Synthesizing evidence from the earliest studies to support decision‐making: To what extent could the evidence be reliable?	2
Issue Information	2

A comparison of two models for detecting inconsistency in network meta‐analysis	2
Calculating the power of a planned individual participant data meta‐analysis to examine prognostic factor effects for a binary outcome	2
Estimation of heterogeneity variance based on a generalized Q statistic in meta‐analysis of log‐odds‐ratio	2
Issue Information	2
Enhancing recall in automated record screening: A resampling algorithm	2