Cargando…

Sample size matters: A guide for urologists

Understanding sample size calculation is vitally important for planning and conducting clinical research, and critically appraising literature. The purpose of this paper is to present basic statistical concepts and tenets of study design pertaining to calculation of requisite sample size. This paper...

Descripción completa

Detalles Bibliográficos
Autores principales: Hinh, Peter, Canfield, Steven E.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Medknow Publications & Media Pvt Ltd 2011
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3263221/
https://www.ncbi.nlm.nih.gov/pubmed/22279319
http://dx.doi.org/10.4103/0970-1591.91442
_version_ 1782221834390863872
author Hinh, Peter
Canfield, Steven E.
author_facet Hinh, Peter
Canfield, Steven E.
author_sort Hinh, Peter
collection PubMed
description Understanding sample size calculation is vitally important for planning and conducting clinical research, and critically appraising literature. The purpose of this paper is to present basic statistical concepts and tenets of study design pertaining to calculation of requisite sample size. This paper also discusses the significance of sample size calculation in the context of ethical considerations. Scenarios applicable to urology are utilized in presenting concepts.
format Online
Article
Text
id pubmed-3263221
institution National Center for Biotechnology Information
language English
publishDate 2011
publisher Medknow Publications & Media Pvt Ltd
record_format MEDLINE/PubMed
spelling pubmed-32632212012-01-25 Sample size matters: A guide for urologists Hinh, Peter Canfield, Steven E. Indian J Urol Symposium Understanding sample size calculation is vitally important for planning and conducting clinical research, and critically appraising literature. The purpose of this paper is to present basic statistical concepts and tenets of study design pertaining to calculation of requisite sample size. This paper also discusses the significance of sample size calculation in the context of ethical considerations. Scenarios applicable to urology are utilized in presenting concepts. Medknow Publications & Media Pvt Ltd 2011 /pmc/articles/PMC3263221/ /pubmed/22279319 http://dx.doi.org/10.4103/0970-1591.91442 Text en Copyright: © Indian Journal of Urology http://creativecommons.org/licenses/by-nc-sa/3.0 This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Symposium
Hinh, Peter
Canfield, Steven E.
Sample size matters: A guide for urologists
title Sample size matters: A guide for urologists
title_full Sample size matters: A guide for urologists
title_fullStr Sample size matters: A guide for urologists
title_full_unstemmed Sample size matters: A guide for urologists
title_short Sample size matters: A guide for urologists
title_sort sample size matters: a guide for urologists
topic Symposium
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3263221/
https://www.ncbi.nlm.nih.gov/pubmed/22279319
http://dx.doi.org/10.4103/0970-1591.91442
work_keys_str_mv AT hinhpeter samplesizemattersaguideforurologists
AT canfieldstevene samplesizemattersaguideforurologists