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Manejo de la temporalidad en estudios observacionales para establecer relaciones causales / Temporal sequence in observational studies to establish causality
Silva Ayçaguer, Luis Carlos.
  • Silva Ayçaguer, Luis Carlos; Escuela Nacional de Salud Pública. La Habana. CU
Medwave ; 14(4)mayo 2014. ilus, tab
Article in Spanish | LILACS | ID: lil-716826
RESUMEN
El artículo contiene un breve resumen sobre el alcance de las nociones de causalidad y factor de riesgo y se abordan algunas dificultades operativas para encarar problemas asociados con ellas. Se exalta la vital importancia de la temporalidad y su vínculo con los diseños de investigación observacional más empleados con vistas a discutir relaciones de causalidad. El trabajo expone con detalle la necesidad de registrar el orden en que se producen los acontecimientos relevantes y luego contemplarlo en el análisis. Se ofrece un detallado ejemplo de los errores en que se suele incurrir y el efecto que tales errores pueden producir.
ABSTRACT
The article includes a brief summary on the scope of the notions of causality and risk and considers some operational difficulties that arise when dealing with problems associated with them. It underscores the vital importance of timing and its link with the most commonly used observational research designs that address causal relationships. The article describes in detail the need to record the order in which the relevant events occur and how to consider this in the analysis. A detailed example of errors that are usually incurred in and their effect is provided.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Biostatistics / Causality / Observational Studies as Topic Type of study: Etiology study / Observational study / Risk factors Language: Spanish Journal: Medwave Journal subject: Medicine Year: 2014 Type: Article Affiliation country: Cuba Institution/Affiliation country: Escuela Nacional de Salud Pública/CU

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Full text: Available Index: LILACS (Americas) Main subject: Biostatistics / Causality / Observational Studies as Topic Type of study: Etiology study / Observational study / Risk factors Language: Spanish Journal: Medwave Journal subject: Medicine Year: 2014 Type: Article Affiliation country: Cuba Institution/Affiliation country: Escuela Nacional de Salud Pública/CU