2.4(top 20%)
impact factor
229.0K(top 0.1%)
papers
3.2M(top 0.1%)
citations
532(top 0.1%)
h-index
2.7(top 20%)
impact factor
413.6K
all documents
3.4M
doc citations
971(top 0.1%)
g-index

Top Articles

#TitleJournalYearCitations
1Measuring inconsistency in meta-analysesBMJ: British Medical Journal200347,117
2Bias in meta-analysis detected by a simple, graphical testBMJ: British Medical Journal199741,333
3Preferred reporting items for systematic reviews and meta-analyses: the PRISMA statementBMJ: British Medical Journal200936,486
4The Cochrane Collaboration's tool for assessing risk of bias in randomised trialsBMJ: British Medical Journal201123,287
5GRADE: an emerging consensus on rating quality of evidence and strength of recommendationsBMJ: British Medical Journal200814,041
6The PRISMA statement for reporting systematic reviews and meta-analyses of studies that evaluate healthcare interventions: explanation and elaborationBMJ: British Medical Journal200913,452
7Establishing a standard definition for child overweight and obesity worldwide: international surveyBMJ: British Medical Journal200012,438
8Evidence based medicine: what it is and what it isn'tBMJ: British Medical Journal199611,441
9RoB 2: a revised tool for assessing risk of bias in randomised trialsBMJ: British Medical Journal201910,984
10Association of glycaemia with macrovascular and microvascular complications of type 2 diabetes (UKPDS 35): prospective observational studyBMJ: British Medical Journal20007,060
11Grading quality of evidence and strength of recommendationsBMJ: British Medical Journal20046,376
12CONSORT 2010 Statement: updated guidelines for reporting parallel group randomised trialsBMJ: British Medical Journal20105,910
13Collaborative meta-analysis of randomised trials of antiplatelet therapy for prevention of death, myocardial infarction, and stroke in high risk patientsBMJ: British Medical Journal20025,894
14Tight blood pressure control and risk of macrovascular and microvascular complications in type 2 diabetes: UKPDS 38BMJ: British Medical Journal19985,635
15CONSORT 2010 Explanation and Elaboration: updated guidelines for reporting parallel group randomised trialsBMJ: British Medical Journal20105,319
16Strengthening the reporting of observational studies in epidemiology (STROBE) statement: guidelines for reporting observational studiesBMJ: British Medical Journal20074,798
17Qualitative research in health care: Analysing qualitative dataBMJ: British Medical Journal20004,793
18Multiple imputation for missing data in epidemiological and clinical research: potential and pitfallsBMJ: British Medical Journal20094,793
19Recommendations for examining and interpreting funnel plot asymmetry in meta-analyses of randomised controlled trialsBMJ: British Medical Journal20114,743
20AMSTAR 2: a critical appraisal tool for systematic reviews that include randomised or non-randomised studies of healthcare interventions, or bothBMJ: British Medical Journal20174,681
21What's wrong with Bonferroni adjustmentsBMJ: British Medical Journal19984,655
22Qualitative Research: Introducing focus groupsBMJ: British Medical Journal19954,272
23Hay fever, hygiene, and household size.BMJ: British Medical Journal19894,028
24Human error: models and managementBMJ: British Medical Journal20003,977
25Validating the SF-36 health survey questionnaire: new outcome measure for primary care.BMJ: British Medical Journal19923,603
26Statistics notes: Cronbach's alphaBMJ: British Medical Journal19973,576
27Collaborative overview of randomised trials of antiplatelet therapy Prevention of death, myocardial infarction, and stroke by prolonged antiplatelet therapy in various categories of patientsBMJ: British Medical Journal19943,105
28Meta-analysis of how well measures of bone mineral density predict occurrence of osteoporotic fracturesBMJ: British Medical Journal19963,098
29Statistics notes: Multiple significance tests: the Bonferroni methodBMJ: British Medical Journal19952,989
30Mortality in relation to smoking: 40 years' observations on male British doctorsBMJ: British Medical Journal19942,841
31Chemotherapy in non-small cell lung cancer: a meta-analysis using updated data on individual patients from 52 randomised clinical trialsBMJ: British Medical Journal19952,780
32Systematic reviews in health care: Assessing the quality of controlled clinical trialsBMJ: British Medical Journal20012,779
33Fetal origins of coronary heart diseaseBMJ: British Medical Journal19952,774
34Analysis of serial measurements in medical research.BMJ: British Medical Journal19902,752
35Framework for design and evaluation of complex interventions to improve healthBMJ: British Medical Journal20002,664
36Qualitative Research: Consensus methods for medical and health services researchBMJ: British Medical Journal19952,627
37Qualitative research in health care: Assessing quality in qualitative researchBMJ: British Medical Journal20002,548
38What is “quality of evidence” and why is it important to clinicians?BMJ: British Medical Journal20082,531
39Statistics Notes: Interaction revisited: the difference between two estimatesBMJ: British Medical Journal20032,430
40Adverse drug reactions as cause of admission to hospital: prospective analysis of 18 820 patientsBMJ: British Medical Journal20042,430
41Mortality in relation to smoking: 50 years' observations on male British doctorsBMJ: British Medical Journal20042,419
42Book: Crossing the Quality Chasm: A New Health System for the 21st CenturyBMJ: British Medical Journal20012,403
43Controlled Sedation with Alphaxalone-AlphadoloneBMJ: British Medical Journal19742,338
44Fetal and infant growth and impaired glucose tolerance at age 64.BMJ: British Medical Journal19912,326
45Cortisone in Ulcerative ColitisBMJ: British Medical Journal19552,316
46Evidence for decreasing quality of semen during past 50 years.BMJ: British Medical Journal19922,257
47Empirical evidence of bias in treatment effect estimates in controlled trials with different interventions and outcomes: meta-epidemiological studyBMJ: British Medical Journal20082,174
48Use of blood pressure lowering drugs in the prevention of cardiovascular disease: meta-analysis of 147 randomised trials in the context of expectations from prospective epidemiological studiesBMJ: British Medical Journal20092,170
49CONSORT statement: extension to cluster randomised trialsBMJ: British Medical Journal20042,142
50Pre-eclampsia and risk of cardiovascular disease and cancer in later life: systematic review and meta-analysisBMJ: British Medical Journal20072,046