Reporting attrition in randomised controlled trials

Reporting of sample size calculation in randomised controlled trials: review

OBJECTIVES To assess quality of reporting of sample size calculation, ascertain accuracy of calculations, and determine the relevance of assumptions made when calculating sample size in randomised controlled trials. DESIGN Review. DATA SOURCES We searched MEDLINE for all primary reports of two arm parallel group randomised controlled trials of superiority with a single primary outcome publi...

The reporting of outcomes in randomised controlled trials

Strategies to reduce attrition in randomised trials

Methods Included studies were randomised evaluations of strategies to reduce attrition embedded within randomised trials from all disease areas and settings. The following sources were searched for eligible studies [3]: MEDLINE (1950 to present), EMBASE (1980 to present), PsycINFO (1806 to present), DARE (most recent issue), CENTRAL (most recent issue), CINAHL (1981 to present), C2-SPECTR (most...

Introducing “Agreement on what to Measure in Randomised Controlled Trials in Burn Care” Research Project

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...

Important considerations in calculating and reporting of sample size in randomized controlled trials

Background: The calculation of the sample size is one of the most important steps in designing a randomized controlled trial. The purpose of this study is drawing the attention of researchers to the importance of calculating and reporting the sample size in randomized controlled trials.    Methods: We reviewed related literature and guidelines and discussed some important issues in s...