Meta‐Analysis in Medical Research

Preferred reporting items for systematic reviews and meta-analyses: the PRISMA statement

2009 • 78,446 citations

Measuring inconsistency in meta-analyses

2003 • 53,662 citations

Bias in meta-analysis detected by a simple, graphical test

1997 • 47,526 citations

Meta-analysis in clinical trials

1986 • 36,193 citations

Quantifying heterogeneity in a meta‐analysis

2002 • 31,236 citations

The PRISMA Statement for Reporting Systematic Reviews and Meta-Analyses of Studies That Evaluate Health Care Interventions: Explanation and Elaboration

2009 • 26,132 citations

Meta-analysis of Observational Studies in Epidemiology<SUBTITLE>A Proposal for Reporting</SUBTITLE>

2000 • 18,725 citations

Operating Characteristics of a Rank Correlation Test for Publication Bias

1994 • 15,160 citations

Statistical Aspects of the Analysis of Data From Retrospective Studies of Disease

1959 • 14,850 citations

Evidence based medicine: what it is and what it isn't

1996 • 14,837 citations

Improving the quality of reports of meta-analyses of randomised controlled trials: the QUOROM statement

1999 • 4,736 citations

Effect of Rosiglitazone on the Risk of Myocardial Infarction and Death from Cardiovascular Causes

2007 • 4,614 citations

Assessing heterogeneity in meta-analysis: Q statistic or I² index?

2006 • 3,519 citations

Systematic reviews in health care: Assessing the quality of controlled clinical trials

2001 • 3,272 citations

Beta blockade during and after myocardial infarction: An overview of the randomized trials

1985 • 3,248 citations

Funnel plots for detecting bias in meta-analysis

2001 • 3,164 citations

Bivariate analysis of sensitivity and specificity produces informative summary measures in diagnostic reviews

2005 • 2,849 citations

Quantitative Synthesis in Systematic Reviews

1997 • 2,428 citations

Empirical evidence of bias in treatment effect estimates in controlled trials with different interventions and outcomes: meta-epidemiological study

2008 • 2,367 citations

Meta-analysis: Principles and procedures

1997 • 2,277 citations

Empirical Evidence for Selective Reporting of Outcomes in Randomized Trials

2004 • 1,728 citations

QUANTITATIVE METHODS IN THE REVIEW OF EPIDEMIOLOGIC LITERATURE1

1987 • 1,619 citations

The case of the misleading funnel plot

2006 • 1,543 citations

Systematic Review of the Empirical Evidence of Study Publication Bias and Outcome Reporting Bias

2008 • 1,460 citations

A Comparison of Results of Meta-analyses of Randomized Control Trials and Recommendations of Clinical Experts

1992 • 1,451 citations

A hierarchical regression approach to meta‐analysis of diagnostic test accuracy evaluations

2001 • 1,349 citations

Rosiglitazone evaluated for cardiovascular outcomes in oral agent combination therapy for type 2 diabetes (RECORD): a multicentre, randomised, open-label trial

2009 • 1,337 citations

Systematic reviews in health care: Systematic reviews of evaluations of diagnostic and screening tests

2001 • 1,250 citations

Discrepancies between Meta-Analyses and Subsequent Large Randomized, Controlled Trials

1997 • 1,207 citations

Network meta‐analysis for indirect treatment comparisons

2002 • 1,103 citations

Language bias in randomised controlled trials published in English and German

1997 • 1,002 citations

Comparison of Evidence of Treatment Effects in Randomized and Nonrandomized Studies

2001 • 881 citations

Direction and impact of language bias in meta-analyses of controlled trials: empirical study

2002 • 809 citations

Systematic reviews in health care: Systematic reviews of evaluations of prognostic variables

2001 • 759 citations

Detecting and describing heterogeneity in meta-analysis

1998 • 689 citations

Effect of the Statistical Significance of Results on the Time to Completion and Publication of Randomized Efficacy Trials

1998 • 628 citations

Users' guides to the medical literature. IX. A method for grading health care recommendations. Evidence-Based Medicine Working Group

1995 • 601 citations

Statistical aspects of prognostic factor studies in oncology

1994 • 583 citations

Meta-analysis of individual patient data from randomized trials: a review of methods used in practice

2005 • 522 citations

Invited Commentary: A Critical Look at Some Popular Meta-Analytic Methods

1994 • 516 citations

To IPD or not to IPD?

2002 • 511 citations

Meta-analysis: State-of-the-Science

1992 • 504 citations

Practical methodology of meta‐analyses (overviews) using updated individual patient data

1995 • 472 citations

The Science of Reviewing Researcha

1993 • 465 citations

Relative Citation Impact of Various Study Designs in the Health Sciences

2005 • 465 citations

Estimating Diagnostic Accuracy from Multiple Conflicting Reports

1993 • 445 citations

Impact of allocation concealment on conclusions drawn from meta-analyses of randomized trials

2007 • 443 citations

Evidence Favoring the Use of Anticoagulants in the Hospital Phase of Acute Myocardial Infarction

1977 • 439 citations

Mortality in systemic sclerosis: An international meta-analysis of individual patient data

2005 • 437 citations

Misleading funnel plot for detection of bias in meta-analysis

2000 • 383 citations

Cumulative meta-analysis of clinical trials builds evidence for exemplary medical care

1995 • 349 citations

The effects of excluding patients from the analysis in randomised controlled trials: meta-epidemiological study

2009 • 229 citations

Bivariate random-effects meta-analysis and the estimation of between-study correlation

2007 • 223 citations

Meta‐Analysis Methods

2008 • 124 citations

The quality of safety reporting in trials is still suboptimal: Survey of major general medical journals

2010 • 77 citations

A new approach to outliers in meta-analysis

2007 • 69 citations

Predictive modeling and heterogeneity of baseline risk in meta-analysis of individual patient data

2001 • 48 citations

A method for the meta‐analysis of mutually exclusive binary outcomes

2008 • 46 citations

Effect of Early Patient Enrollment on the Time to Completion and Publication of Randomized Controlled Trials

2001 • 42 citations

State of the Evidence: Current Status and Prospects of Meta-Analysisin Infectious Diseases

1999 • 29 citations

Doing More Good than Harm: Need for a Cease Fire

2009 • 13 citations