Results 71 to 80 of about 9,899,312 (276)
Sample size calculation by using different variables [9].
, 2019 Sample size calculation by using different variables [9].
Mathewos Geneto (6281657) +2 more
core +1 more source
Therapeutic Apheresis and Dialysis, EarlyView.ABSTRACT Background Patients with chronic kidney disease undergoing hemodialysis commonly experience reduced physical function, fatigue, poor sleep quality, and impaired health‐related quality of life. Intradialytic exercise has been proposed as a non‐pharmacological strategy to improve these outcomes.
Klebson da Silva Almeida +6 more
wiley +1 more source
Sample size calculation for microarray experiments with blocked one-way design
BMC Bioinformatics, 2009 Background One of the main objectives of microarray analysis is to identify differentially expressed genes for different types of cells or treatments. Many statistical methods have been proposed to assess the treatment effects in microarray experiments ...
Jung Sin-Ho +4 more
doaj +1 more source
Basics of statistics – 4: Sample size calculation (ii): A narrative review
Cancer Research, Statistics, and Treatment, 2020 Sample size calculation is one of the most crucial aspects of planning clinical trials. Through this series, we aim to delve into the basic concepts of sample size calculation and the various methodologies used for it.
H S Darling
doaj +1 more source
Finding Alternatives to the Dogma of Power Based Sample Size Calculation: Is a Fixed Sample Size Prospective Meta-Experiment a Potential Alternative? [PDF]
PLoS ONE, 2016 Sample sizes for randomized controlled trials are typically based on power calculations. They require us to specify values for parameters such as the treatment effect, which is often difficult because we lack sufficient prior information.
Elsa Tavernier +2 more
doaj +1 more source
How to Calculate Sample Size and Why
Clinics in Orthopedic Surgery, 2013 Calculating the sample size is essential to reduce the cost of a study and to prove the hypothesis effectively.Referring to pilot studies and previous research studies, we can choose a proper hypothesis and simplify the studies by using a website or Microsoft Excel sheet that contains formulas for calculating sample size in the beginning stage of the ...
Kim, Jeehyoung, Seo, Bong Soo
openaire +2 more sources
, 2022 Sample size calculation for specific objective two, factor associated with contraceptive utilization among youths.
Asnakech Zekiwos Heliso (14135204) +1 more
core +1 more source
Therapeutic Apheresis and Dialysis, EarlyView.ABSTRACT Introduction Peritoneal dialysis (PD) is an established home‐based kidney replacement therapy (KRT), but its uptake remains low in Japan. We evaluated whether individualized education in a dedicated outpatient clinic was associated with the initiation of PD.
Yasuko Ito +7 more
wiley +1 more source
Summary of sample size calculation for all objectives of study.
, 2019 Summary of sample size calculation for all objectives of study.
Awoke Giletew Wondie (6667952) +3 more
core +1 more source
The Tokophobia Severity Scale (TSS): measurement model, power and sample size considerations.
, 2021 : To examine the measurement model of the Tokophobia Severity Scale and consider issues of statistical power and sample size from the original instrument development study.
Marshall, Claire A +5 more
core +1 more source