Aspectos metodológicos de bioestadística y epidemiología en un ensayo clínico / Methodological aspects of biostatistics and epidemiology in a clinical trial
P. R. health sci. j
;
18(1): 23-30, Mar. 1999. ilus, tab
Artigo
em Espanhol
| LILACS
| ID: lil-241687
ABSTRACT
Various methodological issues in biostatistics and epidemiology which are relevant for the development of a clinical trial are discussed. A brief set of definitions regarding clinical trials and methods for the assignment of treatments is presented. In addition, methods to reduce the possibility of bias that may be introduced into a clinical trial are summarized. The different elements that must be included in the informed consent form are defined. General considerations for data analysis and for sample size required to obtain an adequate statistical power are illustrated. Finally, critical questions that can be used for the review of the literature on clinical trials are suggested
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Índice:
LILACS (Américas)
Assunto principal:
Ensaios Clínicos Controlados Aleatórios como Assunto
/
Métodos Epidemiológicos
/
Biometria
Tipo de estudo:
Ensaio Clínico Controlado
/
Estudo de etiologia
/
Estudo prognóstico
/
Fatores de risco
/
Estudo de rastreamento
Limite:
Idoso
/
Humanos
Idioma:
Espanhol
Revista:
P. R. health sci. j
Assunto da revista:
Medicina
Ano de publicação:
1999
Tipo de documento:
Artigo
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