Sample size calculation in medical studies
Gastroenterology and Hepatology from Bed to Bench. 2013; 6 (1): 14-17
em Inglês
| IMEMR
| ID: emr-127569
ABSTRACT
Optimum sample size is an essential component of any research. The main purpose of the sample size calculation is to determine the number of samples needed to detect significant changes in clinical parameters, treatment effects or associations after data gathering. It is not uncommon for studies to be underpowered and thereby fail to detect the existing treatment effects due to inadequate sample size. In this paper, we explain briefly the basic principles of sample size calculations in medical studies
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Índice:
IMEMR (Mediterrâneo Oriental)
Assunto principal:
Estudos de Casos e Controles
/
Estudos Transversais
/
Ensaios Clínicos como Assunto
/
Pesquisa Biomédica
Tipo de estudo:
Estudo de prevalência
Idioma:
Inglês
Revista:
Gastroenterol. Hepatol. Bed Bench
Ano de publicação:
2013
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