Kiarash Tanha
Department of Biostatistics, School of Public Health, Iran University of Medical Sciences, Tehran, Iran.
[ 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...
[ 2 ] - ارزیابی کیفیت خواب و تاثیر آن بر کیفیت زندگی دانشجویان دانشگاه علوم پزشکی ایران
Background and Objectives: Sleep is one of the most important circadian rhythm which has a complex biological pattern and one of the physiological needs of the body. The sleep quality can affect the quality of life. The aim of this study was to evaluate the quality of sleep and its impact on the quality of life of students in Iran University of Medical Sciences. Materials and Methods: This is ...
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