A strenuous effort, though unnecessary. Factors that condition the sample size.
DOI:
https://doi.org/10.30445/rear.v14i3.1024Keywords:
sample size, clinical relevance, statistical significanceAbstract
The need to perform a correct calculation of the sample size necessary for a study is reviewed, as well as the main factors that influence the sample required to demonstrate the effect considered relevant from a clinical point of view.
References
- Lwanga SK, Lemeshow S. Determinación del tamaño de las muestras en los estudios sanitarios. Manuel práctico. Organización Mundial de la Salud. Ginebra, 1991.
- Velasco Rodríguez VM, Martínez Ordaz VA, Roiz Hernández J, Huazano García F, Nieves Rentería A. Muestreo y tamaño de muestra. Una guía práctica para personal de salud que realiza investigación. e-libro.net. Coahuila (México), 2002.
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