[Paired case-control design and data analysis].

نویسندگان

  • Alberto Arnedo-Pena
  • Francisco Guillén-Grima
چکیده

Diseñ o de casos y controles apareado y aná lisis de datos Paired case-control design and data analysis estimació n de la OR es el que se efectú a para datos no apareados. Como ejemplo, veamos el estudio de la asociació n entre el consumo de patatas y la enfermedad (tabla 1). Los autores estiman OR de 8,27 (intervalo de confianza del 95% [IC95%]: 3,43–20,37), que resultaría de realizar el cá lculo para datos no apareados 2 (OR ¼ a.d/b.c) (tabla 1). Si se efectú a el aná lisis de datos apareados 1:1, segú n la fó rmula convencional de calculo 2 OR ¼ B/C, resulta una OR ¼ 32/ Tabla 1 Consumo de patatas (1) frente a no consumo (0) entre casos y controles. Presentació n para aná lisis no apareado y apareado Datos presentados para análisis no apareado Consumo de patatas Casos Controles 1 42 (a) 12 (b) 0 22 (c) 52 (d) Datos presentados para análisis apareado Consumo de patatas Controles Casos 1 0 1 10 (A) 32 (B) 0 2 (C) 20 (D)

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عنوان ژورنال:
  • Gaceta sanitaria

دوره 23 5  شماره 

صفحات  -

تاریخ انتشار 2009