Published in BMJ on July 22, 2011
Power failure: why small sample size undermines the reliability of neuroscience. Nat Rev Neurosci (2013) 13.37
Sedentary time in adults and the association with diabetes, cardiovascular disease and death: systematic review and meta-analysis. Diabetologia (2012) 4.82
Efficacy and safety of dual blockade of the renin-angiotensin system: meta-analysis of randomised trials. BMJ (2013) 3.98
Clinical risk factors for pre-eclampsia determined in early pregnancy: systematic review and meta-analysis of large cohort studies. BMJ (2016) 2.94
Excess deaths associated with tigecycline after approval based on noninferiority trials. Clin Infect Dis (2012) 2.90
Early mortality in adults initiating antiretroviral therapy (ART) in low- and middle-income countries (LMIC): a systematic review and meta-analysis. PLoS One (2011) 2.84
Mendelian randomization with invalid instruments: effect estimation and bias detection through Egger regression. Int J Epidemiol (2015) 2.78
Evaluation of excess significance bias in animal studies of neurological diseases. PLoS Biol (2013) 2.70
Understanding patients' adherence-related beliefs about medicines prescribed for long-term conditions: a meta-analytic review of the Necessity-Concerns Framework. PLoS One (2013) 2.50
Twenty years of telemedicine in chronic disease management--an evidence synthesis. J Telemed Telecare (2012) 2.40
Fibrosis progression in nonalcoholic fatty liver vs nonalcoholic steatohepatitis: a systematic review and meta-analysis of paired-biopsy studies. Clin Gastroenterol Hepatol (2014) 2.39
Computerized cognitive training in cognitively healthy older adults: a systematic review and meta-analysis of effect modifiers. PLoS Med (2014) 2.29
Relation of active, passive, and quitting smoking with incident type 2 diabetes: a systematic review and meta-analysis. Lancet Diabetes Endocrinol (2015) 2.29
Outdoor particulate matter exposure and lung cancer: a systematic review and meta-analysis. Environ Health Perspect (2014) 2.20
Doctors record higher blood pressures than nurses: systematic review and meta-analysis. Br J Gen Pract (2014) 1.91
Clinical outcome prediction by microRNAs in human cancer: a systematic review. J Natl Cancer Inst (2012) 1.85
Reno-protective effects of renin-angiotensin system blockade in type 2 diabetic patients: a systematic review and network meta-analysis. Diabetologia (2011) 1.80
What level of bowel prep quality requires early repeat colonoscopy: systematic review and meta-analysis of the impact of preparation quality on adenoma detection rate. Am J Gastroenterol (2014) 1.77
Preventive pharmacologic treatments for episodic migraine in adults. J Gen Intern Med (2013) 1.70
Publication and other reporting biases in cognitive sciences: detection, prevalence, and prevention. Trends Cogn Sci (2014) 1.69
Do observational studies using propensity score methods agree with randomized trials? A systematic comparison of studies on acute coronary syndromes. Eur Heart J (2012) 1.64
Effect of reducing total fat intake on body weight: systematic review and meta-analysis of randomised controlled trials and cohort studies. BMJ (2012) 1.55
Publication bias and the limited strength model of self-control: has the evidence for ego depletion been overestimated? Front Psychol (2014) 1.48
Substitution of physicians by nurses in primary care: a systematic review and meta-analysis. BMC Health Serv Res (2014) 1.48
Epidemiology and Reporting Characteristics of Systematic Reviews of Biomedical Research: A Cross-Sectional Study. PLoS Med (2016) 1.47
Cognitive training in Parkinson disease: A systematic review and meta-analysis. Neurology (2015) 1.45
Efficacy and safety of sirolimus-eluting stents versus bare-metal stents in coronary artery disease patients with diabetes: a meta-analysis. Cardiovasc J Afr (2013) 1.41
The impact of study size on meta-analyses: examination of underpowered studies in Cochrane reviews. PLoS One (2013) 1.32
Systematic review and meta-analysis: techniques and a guide for the academic surgeon. Ann Cardiothorac Surg (2015) 1.26
Frontal midline theta reflects anxiety and cognitive control: meta-analytic evidence. J Physiol Paris (2014) 1.22
Influence of trial sample size on treatment effect estimates: meta-epidemiological study. BMJ (2013) 1.21
Meta-analysis: implications of interleukin-28B polymorphisms in spontaneous and treatment-related clearance for patients with hepatitis C. BMC Med (2013) 1.16
Association of BCG, DTP, and measles containing vaccines with childhood mortality: systematic review. BMJ (2016) 1.15
Individual participant data meta-analysis of prognostic factor studies: state of the art? BMC Med Res Methodol (2012) 1.15
The Navigation Guide - evidence-based medicine meets environmental health: integration of animal and human evidence for PFOA effects on fetal growth. Environ Health Perspect (2014) 1.14
Meta-analysis of preclinical studies of mesenchymal stromal cells for ischemic stroke. Neurology (2014) 1.13
The Navigation Guide - evidence-based medicine meets environmental health: systematic review of nonhuman evidence for PFOA effects on fetal growth. Environ Health Perspect (2014) 1.13
Non-Hodgkin lymphoma and occupational exposure to agricultural pesticide chemical groups and active ingredients: a systematic review and meta-analysis. Int J Environ Res Public Health (2014) 1.08
Evidence from randomised controlled trials did not support the introduction of dietary fat guidelines in 1977 and 1983: a systematic review and meta-analysis. Open Heart (2015) 1.08
Comparative effect sizes in randomised trials from less developed and more developed countries: meta-epidemiological assessment. BMJ (2013) 1.07
Protocol for a systematic review on the extent of non-publication of research studies and associated study characteristics. Syst Rev (2013) 1.07
Impact of reporting bias in network meta-analysis of antidepressant placebo-controlled trials. PLoS One (2012) 1.07
Local anaesthetic infiltration for peri-operative pain control in total hip and knee replacement: systematic review and meta-analyses of short- and long-term effectiveness. BMC Musculoskelet Disord (2014) 1.07
Potential reporting bias in fMRI studies of the brain. PLoS One (2013) 1.05
Comparative efficacy of Lamivudine and emtricitabine: a systematic review and meta-analysis of randomized trials. PLoS One (2013) 1.05
A systematic review and meta-analysis of risk factors for postherpetic neuralgia. Pain (2016) 1.04
Prediction of gastric cancer development by serum pepsinogen test and Helicobacter pylori seropositivity in Eastern Asians: a systematic review and meta-analysis. PLoS One (2014) 1.04
Effects of physician-nurse substitution on clinical parameters: a systematic review and meta-analysis. PLoS One (2014) 1.01
Detecting, quantifying and adjusting for publication bias in meta-analyses: protocol of a systematic review on methods. Syst Rev (2013) 1.00
The evolution of assessing bias in Cochrane systematic reviews of interventions: celebrating methodological contributions of the Cochrane Collaboration. Syst Rev (2013) 1.00
Publication bias in recent meta-analyses. PLoS One (2013) 1.00
Computer-delivered and web-based interventions to improve depression, anxiety, and psychological well-being of university students: a systematic review and meta-analysis. J Med Internet Res (2014) 0.97
Antimicrobial use for symptom management in patients receiving hospice and palliative care: a systematic review. J Palliat Med (2013) 0.96
Screening participation for people at increased risk of colorectal cancer due to family history: a systematic review and meta-analysis. Fam Cancer (2013) 0.96
Does colorectal cancer risk perception predict screening behavior? A systematic review and meta-analysis. J Behav Med (2015) 0.96
Individual Participant Data (IPD) Meta-analyses of Randomised Controlled Trials: Guidance on Their Use. PLoS Med (2015) 0.96
A quantitative meta-analysis of neurocognitive functioning in posttraumatic stress disorder. Psychol Bull (2014) 0.95
An evaluation of epidemiological and reporting characteristics of complementary and alternative medicine (CAM) systematic reviews (SRs). PLoS One (2013) 0.95
Systematic review of the effectiveness of training programs in writing for scholarly publication, journal editing, and manuscript peer review (protocol). Syst Rev (2013) 0.95
The effect of disease modifying therapies on brain atrophy in patients with relapsing-remitting multiple sclerosis: a systematic review and meta-analysis. PLoS One (2015) 0.94
Extended-release naltrexone for alcohol and opioid dependence: a meta-analysis of healthcare utilization studies. J Subst Abuse Treat (2014) 0.93
A systematic review and meta-analysis of somatic and germline DNA sequence biomarkers of esophageal cancer survival, therapy response and stage. Ann Oncol (2014) 0.92
Effects of exercise on depression in adults with arthritis: a systematic review with meta-analysis of randomized controlled trials. Arthritis Res Ther (2015) 0.92
Effectiveness of Case Management for 'At Risk' Patients in Primary Care: A Systematic Review and Meta-Analysis. PLoS One (2015) 0.91
Investigation of publication bias in meta-analyses of diagnostic test accuracy: a meta-epidemiological study. BMC Med Res Methodol (2014) 0.91
Accuracy of circulating adiponectin for predicting gestational diabetes: a systematic review and meta-analysis. Diabetologia (2016) 0.91
Efficacy of alogliptin in type 2 diabetes treatment: a meta-analysis of randomized double-blind controlled studies. BMC Endocr Disord (2013) 0.90
Assessing the risk of venous thromboembolic events in women taking progestin-only contraception: a meta-analysis. BMJ (2012) 0.90
Normal ranges of right ventricular systolic and diastolic strain measures in children: a systematic review and meta-analysis. J Am Soc Echocardiogr (2014) 0.90
Metformin Is Associated With Slightly Reduced Risk of Colorectal Cancer and Moderate Survival Benefits in Diabetes Mellitus: A Meta-Analysis. Medicine (Baltimore) (2016) 0.90
Relationship between alcohol-attributable disease and socioeconomic status, and the role of alcohol consumption in this relationship: a systematic review and meta-analysis. BMC Public Health (2015) 0.90
Efficacy and safety of Suanzaoren decoction for primary insomnia: a systematic review of randomized controlled trials. BMC Complement Altern Med (2013) 0.90
Theory of planned behavior and adherence in chronic illness: a meta-analysis. J Behav Med (2015) 0.89
Impact of long-term lifestyle programmes on weight loss and cardiovascular risk factors in overweight/obese participants: a systematic review and network meta-analysis. Syst Rev (2014) 0.89
Therapeutic hypothermia for neonatal encephalopathy in low- and middle-income countries: a systematic review and meta-analysis. PLoS One (2013) 0.89
Which placebo to cure depression? A thought-provoking network meta-analysis. BMC Med (2013) 0.89
Maternal psychosocial stress during pregnancy alters the epigenetic signature of the glucocorticoid receptor gene promoter in their offspring: a meta-analysis. Epigenetics (2015) 0.89
Sensitivity Analyses for Robust Causal Inference from Mendelian Randomization Analyses with Multiple Genetic Variants. Epidemiology (2017) 0.88
Subsidising artemisinin-based combination therapy in the private retail sector. Cochrane Database Syst Rev (2016) 0.88
Relation of Smoking With Total Mortality and Cardiovascular Events Among Patients With Diabetes Mellitus: A Meta-Analysis and Systematic Review. Circulation (2015) 0.88
The use of supplementary immunisation activities to improve uptake of current and future vaccines in low-income and middle-income countries: a systematic review protocol. BMJ Open (2014) 0.88
The Relationship Between Professional Burnout and Quality and Safety in Healthcare: A Meta-Analysis. J Gen Intern Med (2016) 0.88
Hyaluronan for knee osteoarthritis: an updated meta-analysis of trials with low risk of bias. RMD Open (2015) 0.87
Prognostic factors for disability and sick leave in patients with subacute non-malignant pain: a systematic review of cohort studies. BMJ Open (2016) 0.87
The Status of Irritability in Psychiatry: A Conceptual and Quantitative Review. J Am Acad Child Adolesc Psychiatry (2016) 0.87
Hand suture versus stapler for closure of loop ileostomy--a systematic review and meta-analysis of randomized controlled trials. Langenbecks Arch Surg (2014) 0.87
A protocol for a systematic review on the impact of unpublished studies and studies published in the gray literature in meta-analyses. Syst Rev (2013) 0.87
Pegylated liposomal doxorubicin in the management of ovarian cancer: a systematic review and metaanalysis of randomized trials. Cancer Biol Ther (2014) 0.86
Visual Task Demands and the Auditory Mismatch Negativity: An Empirical Study and a Meta-Analysis. PLoS One (2016) 0.86
Efficacy of Pregabalin in Acute Postoperative Pain Under Different Surgical Categories: A Meta-Analysis. Medicine (Baltimore) (2015) 0.85
Effects of exercise on fracture reduction in older adults: a systematic review and meta-analysis. Osteoporos Int (2013) 0.85
Jumping to Conclusions About the Beads Task? A Meta-analysis of Delusional Ideation and Data-Gathering. Schizophr Bull (2015) 0.85
A systematic review and meta-analysis of the effectiveness of food safety education interventions for consumers in developed countries. BMC Public Health (2015) 0.85
Gastric tonometry guided therapy in critical care patients: a systematic review and meta-analysis. Crit Care (2015) 0.85
Measuring inconsistency in meta-analyses. BMJ (2003) 128.20
A new equation to estimate glomerular filtration rate. Ann Intern Med (2009) 71.41
Preferred reporting items for systematic reviews and meta-analyses: the PRISMA statement. PLoS Med (2009) 65.36
Preferred reporting items for systematic reviews and meta-analyses: the PRISMA statement. Ann Intern Med (2009) 35.37
Preferred reporting items for systematic reviews and meta-analyses: the PRISMA statement. BMJ (2009) 34.99
Genome-wide association studies for complex traits: consensus, uncertainty and challenges. Nat Rev Genet (2008) 30.94
The Cochrane Collaboration's tool for assessing risk of bias in randomised trials. BMJ (2011) 29.14
CONSORT 2010 explanation and elaboration: updated guidelines for reporting parallel group randomised trials. BMJ (2010) 28.70
Improving bioscience research reporting: the ARRIVE guidelines for reporting animal research. PLoS Biol (2010) 27.58
Empirical evidence for selective reporting of outcomes in randomized trials: comparison of protocols to published articles. JAMA (2004) 23.87
National Kidney Foundation practice guidelines for chronic kidney disease: evaluation, classification, and stratification. Ann Intern Med (2003) 23.33
CONSORT 2010 statement: updated guidelines for reporting parallel group randomised trials. BMJ (2010) 22.34
The PRISMA statement for reporting systematic reviews and meta-analyses of studies that evaluate healthcare interventions: explanation and elaboration. BMJ (2009) 22.18
The PRISMA statement for reporting systematic reviews and meta-analyses of studies that evaluate health care interventions: explanation and elaboration. PLoS Med (2009) 21.74
The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) statement: guidelines for reporting observational studies. Lancet (2007) 20.57
Preferred reporting items for systematic reviews and meta-analyses: the PRISMA statement. J Clin Epidemiol (2009) 17.92
Animal research: reporting in vivo experiments: the ARRIVE guidelines. Br J Pharmacol (2010) 17.30
CONSORT statement: extension to cluster randomised trials. BMJ (2004) 16.50
CONSORT 2010 statement: updated guidelines for reporting parallel group randomized trials. Ann Intern Med (2010) 16.11
Estimating GFR using serum cystatin C alone and in combination with serum creatinine: a pooled analysis of 3,418 individuals with CKD. Am J Kidney Dis (2008) 15.04
QUADAS-2: a revised tool for the quality assessment of diagnostic accuracy studies. Ann Intern Med (2011) 15.02
Estimating glomerular filtration rate from serum creatinine and cystatin C. N Engl J Med (2012) 14.99
Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) statement: guidelines for reporting observational studies. BMJ (2007) 14.52
The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) statement: guidelines for reporting observational studies. J Clin Epidemiol (2008) 14.36
Extending the CONSORT statement to randomized trials of nonpharmacologic treatment: explanation and elaboration. Ann Intern Med (2008) 13.87
Development of AMSTAR: a measurement tool to assess the methodological quality of systematic reviews. BMC Med Res Methodol (2007) 13.46
Power failure: why small sample size undermines the reliability of neuroscience. Nat Rev Neurosci (2013) 13.37
Systematic review of the empirical evidence of study publication bias and outcome reporting bias. PLoS One (2008) 13.32
Preferred reporting items for systematic reviews and meta-analyses: the PRISMA statement. Int J Surg (2010) 12.98
Collaborative care for depression: a cumulative meta-analysis and review of longer-term outcomes. Arch Intern Med (2006) 12.44
The PRISMA statement for reporting systematic reviews and meta-analyses of studies that evaluate health care interventions: explanation and elaboration. Ann Intern Med (2009) 12.16
Reporting of noninferiority and equivalence randomized trials: an extension of the CONSORT statement. JAMA (2006) 11.87
The PRISMA statement for reporting systematic reviews and meta-analyses of studies that evaluate health care interventions: explanation and elaboration. J Clin Epidemiol (2009) 11.80
Epidemiology and reporting characteristics of systematic reviews. PLoS Med (2007) 11.51
Better reporting of harms in randomized trials: an extension of the CONSORT statement. Ann Intern Med (2004) 11.47
Does the CONSORT checklist improve the quality of reports of randomised controlled trials? A systematic review. Med J Aust (2006) 11.40
Empirical evidence of bias in treatment effect estimates in controlled trials with different interventions and outcomes: meta-epidemiological study. BMJ (2008) 11.08
Modulation of NF-kappaB-dependent transcription and cell survival by the SIRT1 deacetylase. EMBO J (2004) 11.00
Towards complete and accurate reporting of studies of diagnostic accuracy: the STARD initiative. BMJ (2003) 10.80
Outcome reporting bias in randomized trials funded by the Canadian Institutes of Health Research. CMAJ (2004) 10.75
Strengthening the Reporting of Observational Studies in Epidemiology (STROBE): explanation and elaboration. PLoS Med (2007) 10.43
The STARD statement for reporting studies of diagnostic accuracy: explanation and elaboration. Ann Intern Med (2003) 10.28
Self-management education for adults with type 2 diabetes: a meta-analysis of the effect on glycemic control. Diabetes Care (2002) 10.00
Improving the reporting of pragmatic trials: an extension of the CONSORT statement. BMJ (2008) 9.98
Mendelian randomization: using genes as instruments for making causal inferences in epidemiology. Stat Med (2008) 9.39
Reporting recommendations for tumor marker prognostic studies (REMARK). J Natl Cancer Inst (2005) 9.38
Breastfeeding and maternal and infant health outcomes in developed countries. Evid Rep Technol Assess (Full Rep) (2007) 9.32
CONSORT 2010 Statement: updated guidelines for reporting parallel group randomised trials. BMC Med (2010) 9.30
SPIRIT 2013 explanation and elaboration: guidance for protocols of clinical trials. BMJ (2013) 9.01
How should meta-regression analyses be undertaken and interpreted? Stat Med (2002) 8.96
The role of vitamin D and calcium in type 2 diabetes. A systematic review and meta-analysis. J Clin Endocrinol Metab (2007) 8.91
The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) statement: guidelines for reporting observational studies. Ann Intern Med (2007) 8.77
Towards complete and accurate reporting of studies of diagnostic accuracy: The STARD Initiative. Ann Intern Med (2003) 8.58
The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) statement: guidelines for reporting observational studies. PLoS Med (2007) 8.46
Developing core outcome sets for clinical trials: issues to consider. Trials (2012) 8.39
The case of the misleading funnel plot. BMJ (2006) 8.26
Dichotomizing continuous predictors in multiple regression: a bad idea. Stat Med (2006) 8.25
SPIRIT 2013 statement: defining standard protocol items for clinical trials. Ann Intern Med (2013) 8.21
Towards complete and accurate reporting of studies of diagnostic accuracy: the STARD initiative. Standards for Reporting of Diagnostic Accuracy. Clin Chem (2003) 8.13
The STARD statement for reporting studies of diagnostic accuracy: explanation and elaboration. Clin Chem (2003) 7.92
Comparison of registered and published primary outcomes in randomized controlled trials. JAMA (2009) 7.89
Strengthening the Reporting of Observational Studies in Epidemiology (STROBE): explanation and elaboration. Ann Intern Med (2007) 7.87
A pragmatic-explanatory continuum indicator summary (PRECIS): a tool to help trial designers. J Clin Epidemiol (2009) 7.86