Ameneh Ebrahim Valojerdi

[ 1 ] - 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...