Análisis estratificado en estudios epidemiologicos de observación ajuste del riesgo relativo
DOI:
https://doi.org/10.17533/udea.rfnsp.26269Abstract
En ocasiones, cuando se plantea el análisis de un estudio observacional, se ve la necesidad de controlar una variable porque se sospecha su posible participación como variable de confusión. Una de las formas de realizar este control en el diseño de estudio, y la única en la etapa de ejecución del análisis, es por medio de la estratificación.
La estratificación consiste en organizar grupos homogéneos internamente y heterogéneos entre sí, con respecto a la variable que supuestamente produce confusión.
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