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Sample size calculation in clinical research [PDF]
Perspectives in Clinical ResearchCalculation of sample size is an essential part of research study design since it affects the reliability and feasibility of the research study. In this article, we look at the principles of sample size calculation for different types of research studies.
Priya Ranganathan +2 more
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Tips for troublesome sample-size calculation [PDF]
Korean Journal of Anesthesiology, 2020 Properly set sample size is one of the important factors for scientific and persuasive research. The sample size that can guarantee both clinically significant differences and adequate power in the phenomena of interest to the investigator, without ...
Junyong In +7 more
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Sample size calculation in clinical trial using R [PDF]
Journal of Minimally Invasive Surgery, 2023 Since the era of evidence-based medicine, it has become a matter of course to use statistics to create objective evidence in clinical research. As an extension of this, it has become essential in clinical research to calculate the correct sample size to ...
Suyeon Park +3 more
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Sample size calculation for phylogenetic case linkage. [PDF]
PLoS Computational Biology, 2021 Sample size calculations are an essential component of the design and evaluation of scientific studies. However, there is a lack of clear guidance for determining the sample size needed for phylogenetic studies, which are becoming an essential part of ...
Shirlee Wohl +2 more
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Female vs Males inmates: Authors’ reply and sample size calculation [PDF]
Mediterranean Journal of Clinical Psychology, 2019 Bruno and colleagues highlighted the relatively low absolute-percentage of psychiatric morbidity that we found in our sample, as compared to their male sample.
Laura Ferraro, Caterina La Cascia
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Sample Size Calculation in Genetic Association Studies: A Practical Approach [PDF]
Life, 2023 Genetic association studies, testing the relationship between genetic variants and disease status, are useful tools for identifying genes that grant susceptibility to complex disorders.
Cristina Politi +3 more
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Sample size calculations for indirect standardization [PDF]
BMC Medical Research Methodology, 2023 Indirect standardization, and its associated parameter the standardized incidence ratio, is a commonly-used tool in hospital profiling for comparing the incidence of negative outcomes between an index hospital and a larger population of reference ...
Yifei Wang, Philip Chu
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Reporting Sample Size Calculation in Randomized Clinical Trials Published in 4 Orthodontic Journals [PDF]
Turkish Journal of Orthodontics, 2021 Objective: The purpose of this study was to describe sample size calculations in randomized clinical trials (RCTs) published in 4 orthodontic journals.Methods:This cross-sectional study evaluated 142 RCTs published between 2015 and 2019 in the 4 journals
Marialicia Calderon-Augusto +2 more
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Sample size calculation for prevalence studies using Scalex and ScalaR calculators [PDF]
BMC Medical Research Methodology, 2022 Background Although books and articles guiding the methods of sample size calculation for prevalence studies are available, we aim to guide, assist and report sample size calculation using the present calculators.
Lin Naing +3 more
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