Blinding and exclusions after allocation in randomised controlled trials: survey of published parallel group trials in obstetrics and gynaecology

Abstract Objective: To assess the methodological quality of approaches to blinding and to handling of exclusions as reported in randomised trials from one medical specialty. Design: Survey of published, parallel group randomised controlled trials. Data sources: A random sample of 110 reports in whic...

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Veröffentlicht in:	BMJ 1996-03, Vol.312 (7033), p.742-744
Hauptverfasser:	Schulz, Kenneth F, Grimes, David A, Altman, Douglas G, Hayes, Richard J
Format:	Artikel
Sprache:	eng
Schlagworte:	Bias Biological and medical sciences Caregivers Clinical trials Confidence intervals Double-Blind Method Double-blind studies Epidemiology Estimation bias Experimentation General aspects Gynecology Humans Investigations Investigative reporting Medical sciences Obstetrics Planification. Prevention (methods). Intervention. Evaluation Preventive medicine Public health. Hygiene Public health. Hygiene-occupational medicine Random Allocation Randomized Controlled Trials as Topic - standards Reporting standards Research Design Studies Surveys Trials
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