Adjustment of meta-analyses on the basis of quality scores should be abandoned

Assessing the quality of reports of randomized clinical trials: Is blinding necessary?

1996 • 17,261 citations

The feasibility of creating a checklist for the assessment of the methodological quality both of randomised and non-randomised studies of health care interventions

1998 • 7,417 citations

Empirical evidence of bias. Dimensions of methodological quality associated with estimates of treatment effects in controlled trials

1995 • 5,696 citations

Does quality of reports of randomised trials affect estimates of intervention efficacy reported in meta-analyses?

1998 • 3,578 citations

Nicotine replacement therapy for smoking cessation

2012 • 2,516 citations

The Delphi List

1998 • 2,240 citations

Updated Method Guidelines for Systematic Reviews in the Cochrane Collaboration Back Review Group

2003 • 2,060 citations

The Hazards of Scoring the Quality of Clinical Trials for Meta-analysis

1999 • 1,977 citations

A method for assessing the quality of a randomized control trial

1981 • 1,370 citations

Assessing the quality of randomized controlled trials: An annotated bibliography of scales and checklists

1995 • 1,323 citations

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

1997 • 1,207 citations

Are the clinical effects of homoeopathy placebo effects? A meta-analysis of placebo-controlled trials

1997 • 986 citations

Low-molecular-weight heparin versus standard heparin in general and orthopaedic surgery: a meta-analysis

1992 • 679 citations

Incorporating variations in the quality of individual randomized trials into meta-analysis

1992 • 649 citations

Clinical trials of homoeopathy.

1991 • 612 citations

Effects of Intensity of Rehabilitation After Stroke

1997 • 570 citations

Antidepressant-induced analgesia in chronic non-malignant pain: a meta-analysis of 39 placebo-controlled studies

1992 • 562 citations

How study design affects outcomes in comparisons of therapy. I: Medical

1989 • 528 citations

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

1994 • 516 citations

Corticosteroid injections for lateral epicondylitis: a systematic review

2002 • 430 citations

Quality of Reporting of Randomized Trials as a Measure of Methodologic Quality

2002 • 404 citations

Methodology and overt and hidden bias in reports of 196 double-blind trials of nonsteroidal antiinflammatory drugs in rheumatoid arthritis

1989 • 344 citations

On the bias produced by quality scores in meta-analysis, and a hierarchical view of proposed solutions

2001 • 344 citations

Guide to clinical trials

1991 • 341 citations

Large Trials vs Meta-analysis of Smaller Trials

1996 • 337 citations

Acupuncture and chronic pain: A criteria-based meta-analysis

1990 • 320 citations

Intravenous immunoglobulin for treating sepsis, severe sepsis and septic shock

2002 • 316 citations

Manuscript Quality before and after Peer Review and Editing at Annals of Internal Medicine

1994 • 313 citations

Bad reporting does not mean bad methods for randomised trials: observational study of randomised controlled trials performed by the Radiation Therapy Oncology Group

2004 • 295 citations

Respiratory Muscle Training in Chronic Airflow Limitation: A Meta-Analysis

1992 • 281 citations

Spinal manipulation and mobilisation for back and neck pain: a blinded review.

1991 • 276 citations

Teasing apart quality and validity in systematic reviews: an example from acupuncture trials in chronic neck and back pain

2000 • 253 citations

The art of quality assessment of RCTs included in systematic reviews

2001 • 246 citations

Antibiotics for acute maxillary sinusitis

2008 • 239 citations

Predictive ability of meta-analyses of randomised controlled trials

1995 • 232 citations

A systematic review of the relationship between overjet size and traumatic dental injuries

1999 • 224 citations

A Cohort Study of Summary Reports of Controlled Trials

1990 • 208 citations

Impact of Study Quality on Outcome in Placebo-Controlled Trials of Homeopathy

1999 • 203 citations

Instruments for Assessing the Quality of Drug Studies Published in the Medical Literature

1994 • 178 citations

Discordance between Meta-analyses and Large-Scale Randomized, Controlled Trials: Examples from the Management of Acute Myocardial Infarction

1995 • 129 citations

Ten‐year followup study of patients with yersinia arthritis

1988 • 113 citations

Aid to the evaluation of therapeutic studies.

1989 • 112 citations

Maximal androgen blockade for advanced prostate cancer

1999 • 100 citations

Calcium antagonists for acute ischemic stroke

2000 • 99 citations

Quality assessment of randomized control trials in dental research I. Methods

1986 • 96 citations

Maintenance chemotherapy for small cell lung cancer: a critical review of the literature

1998 • 94 citations

Comparison of Carbamazepine and Lithium in the Prophylaxis of Bipolar Disorders

1995 • 91 citations

Aid to the Evaluation of Therapeutic Studies

1989 • 87 citations

A score system for evaluating random control clinical trials of prophylaxis of abdominal surgical wound infection

1985 • 87 citations

Haemodilution for acute ischaemic stroke

2002 • 77 citations

Position for women during second stage of labour

1999 • 72 citations

Quality, evolution, and clinical implications of randomized, controlled trials on the treatment of lung cancer. A lost opportunity for meta-analysis.

1989 • 69 citations

Large trials vs meta-analysis of smaller trials: how do their results compare?

1996 • 60 citations

Methods of Randomized Controlled Clinical Trials in Health Services Research

1995 • 56 citations

Analysis of randomized controlled trials in laparoscopic surgery

1997 • 49 citations

[Evaluation of the methodological quality of randomized therapeutic trials].

1988 • 48 citations

Spinal Manipulation and Mobilisation for Low Back Pain: A systematic review of randomised clinical trials

1996 • 48 citations

A qualitative assessment of randomized controlled trials in otolaryngology

1998 • 45 citations

The Effect of Exercises on Walking Distance of Patients With Intermittent Claudication: A Study of Randomized Clinical Trials

1998 • 42 citations

Analysis of randomized controlled trials in laparoscopic surgery

1997 • 32 citations

Instruments for assessing the quality of drug studies published in the medical literature

1994 • 30 citations

Hyperbaric oxygen for multiple sclerosis

1995 • 30 citations

Prostaglandins versus oxytocin for prelabour rupture of membranes at or near term

1997 • 28 citations

A cohort study of summary reports of controlled trials

1990 • 26 citations

The influence of methodologic quality on the conclusion of a landmark meta-analysis on thrombolytic therapy.

2002 • 21 citations

Prostaglandins for prelabour rupture of membranes at or near term

1997 • 20 citations

An analysis of systematic reviews indicated low incorpororation of results from clinical trial quality assessment

2005 • 20 citations

Method for Assessment of the Reporting Standard of Clinical Trials with Roentgen Contrast Media

1984 • 19 citations

Critical appraisal of continuing medical education in the rheumatic diseases for primary care physicians

1995 • 18 citations

Influence of Methodology on Outcomes of Randomised Clozapine Trials

2000 • 15 citations

Quality-Adjusted Meta-analysis of the Hypertension/Coronary Dilemma

1994 • 13 citations

Quality, evolution, and clinical implications of randomized, controlled trials on the treatment of lung cancer. A lost opportunity for meta-analysis

1989 • 13 citations

Deleted Work

1955 • 0 citations