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The PRISMA Extension Statement for Reporting of Systematic Reviews Incorporating Network Meta-analyses of Health Care Interventions: Checklist and Explanations
Systematic reviews and meta-analyses are fundamental tools for the generation of reliable summaries of health care information for clinicians, decision makers, and patients. Systematic reviews… Expand
SPIRIT 2013 explanation and elaboration: guidance for protocols of clinical trials
High quality protocols facilitate proper conduct, reporting, and external review of clinical trials. However, the completeness of trial protocols is often inadequate. To help improve the content and… Expand
SPIRIT 2013 statement: defining standard protocol items for clinical trials.
The protocol of a clinical trial serves as the foundation for study planning, conduct, reporting, and appraisal. However, trial protocols and existing protocol guidelines vary greatly in content and… Expand
The prevention and treatment of missing data in clinical trials.
- R. J. Little, R. D'Agostino, +13 authors H. Stern
- The New England journal of medicine
- 4 October 2012
Missing data in clinical trials can have a major effect on the validity of the inferences that can be drawn from the trial. This article reviews methods for preventing missing data and, failing that,… Expand
Development of a highly sensitive search strategy for the retrieval of reports of controlled trials using PubMed.
OBJECTIVE To develop, through revision of the Cochrane Collaboration search strategy for OVID-MEDLINE, a highly sensitive search strategy to retrieve reports of controlled trials using PubMed. … Expand
The existence of publication bias and risk factors for its occurrence.
- K. Dickersin
- 9 March 1990
Publication bias is the tendency on the parts of investigators, reviewers, and editors to submit or accept manuscripts for publication based on the direction or strength of the study findings. Much… Expand
Osteoporosis prevention, diagnosis, and therapy.
OBJECTIVES To clarify the factors associated with prevention, diagnosis, and treatment of osteoporosis, and to present the most recent information available in these areas. PARTICIPANTS From March… Expand
Systematic Reviews: Identifying relevant studies for systematic reviews
Abstract Objective: To examine the sensitivity and precision of Medline searching for randomised clinical trials. Design - Comparison of results of Medline searches to a “gold standard” of known… Expand
Publication bias in clinical trials due to statistical significance or direction of trial results.
- S. Hopewell, K. Loudon, M. Clarke, A. Oxman, K. Dickersin
- The Cochrane database of systematic reviews
- 21 January 2009
BACKGROUND The tendency for authors to submit, and of journals to accept, manuscripts for publication based on the direction or strength of the study findings has been termed publication bias. … Expand