نتایج جستجو برای: controlled trial
تعداد نتایج: 589078 فیلتر نتایج به سال:
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...
Background and Aim: Randomized controlled clinical trial is the most valid type of epidemiological studies for the treatment of diseases. The aim of the present article is to determine the subject area, type of intervention, and blinding methods used in this type of study design. Materials and Methods: This is a cross-sectional descriptive study in which all the articles based on randomized c...
Background and Objectives: Given the fact that randomized controlled clinical trials are more valid than other research methods to determine the therapeutic effects of treatment, proper design and accurate reporting is of particular importance. This study was conducted with the aim of evaluating the quality of writing the title and abstract of randomized clinical trials of Iranian medical unive...
OBJECTIVE To assess the effects of a mental practice intervention on recovery in stroke patients. DATA SOURCES A systematic literature search of the Cochrane Database of Systematic Reviews, PubMed/Medline, PsycINFO, Pedro, Rehadat, and RehabTrials was performed by 2 researchers independently. Eligible studies published through August 2005 were selected. STUDY SELECTION Four randomized contr...
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