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
Artículo
en Español
| 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
Buscar en Google
Índice:
LILACS (Américas)
Asunto principal:
Ensayos Clínicos Controlados Aleatorios como Asunto
/
Métodos Epidemiológicos
/
Biometría
Tipo de estudio:
Ensayo Clínico Controlado
/
Estudio de etiología
/
Estudio pronóstico
/
Factores de riesgo
/
Estudio de tamizaje
Límite:
Anciano
/
Humanos
Idioma:
Español
Revista:
P. R. health sci. j
Asunto de la revista:
Medicina
Año:
1999
Tipo del documento:
Artículo
Similares
MEDLINE
...
LILACS
LIS