منابع مشابه
Sample size in cluster randomised trials with unequal clusters
Objectives The aim of RCTs is to obtain unbiased estimates of treatment effects to answer the question of interest. In a cluster randomised trial (CRT), maximum statistical efficiency is obtained if an equal sized sample from each cluster is selected. In practice, the ability to achieve equal cluster size is an exception rather than the norm. Two CRTs run by the Leeds CTRU; TRACS (Training Care...
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پروژه پژوهشی "توافق درباره‌ی پیامدهای قابل اندازه‌گیری در کارآزمایی های کنترل‌دار مربوط به مراقبت‌های سوختگی" توسط گروهی از پژوهش‌گران با تجربه، در حوزه سوختگی، زیر نظر دکتر Young از کشور انگلستان در حال انجام می‌باشد. هدف نهایی از انجام این مطالعه، تهیه و تدوین مجموعه‌ای از پیامدهای اساسی (core outcome set (COS)) است که در گزارش کارآزمایی های شاهد‌دار تصادفی مربوط به مراقبت‌های سوختگی باید مور...
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Factorial trials are an efficient method of assessing multiple treatments in a single trial, saving both time and resources. However, they rely on the assumption of no interaction between treatment arms. Ignoring the possibility of an interaction in the analysis can lead to bias and potentially misleading conclusions. Therefore, it is often recommended that the size of the interaction be assess...
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Professor Trevor Duke and colleagues at the Centre for International Child Health, University of Melbourne, have made a remarkable contribution to international child health. Over the past 11 years, they have undertaken annual structured searches for published reports of controlled trials of interventions addressing child health in developing countries, and assembled summaries in a compendium t...
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with severe respiratory syncytial virus infection. Crit Care Med 1987;15:1051-4. 13 Gelfand EW, McCurdy D, Pandu Rao C, Middleton PJ. Ribavirin treatment of viral pneumonitis in severe combined immunodeficiency disease. Lancet 1983;ii:732-3. 14 McIntosh K, Kurachek SC, Cairns LM, Burns JC, Goodspeed B. Treatment of respiratory viral infection in an immunodeficient infant with ribavirin aerosol....
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ژورنال
عنوان ژورنال: BMJ
سال: 1997
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.315.7108.600