[Clinical research III. The causality studies]. / Investigación clínica III. Estudios de causalidad.
Rev Med Inst Mex Seguro Soc
; 49(3): 289-94, 2011.
Article
em Es
| MEDLINE
| ID: mdl-21838996
The need to solve a clinical problem leads us to establish a starting point to address (risk, prognosis or treatment studies), all these cases seek to attribute causality. Clinical reasoning described in the book Clinical Epidemiology. The architecture of clinical research, offers a simple guide to understanding this phenomenon. And proposes three basic components: baseline, maneuver and outcome. In this model, different systematic errors (bias) are described, which may be favored by omitting characteristics of the three basic components. Thus, omissions in the baseline characteristics cause an improper assembly of the population and susceptibility bias, omissions in the application or evaluation of the maneuver provoke performance bias, and omissions in the assessment of out-come cause detection bias and transfer bias. Importantly, if this way of thinking facilitates understanding of the causal phenomenon, the appropriateness of the variables to be selected in the studies to which attribute or not causality, require additional arguments for evaluate clinical relevance.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Causalidade
Tipo de estudo:
Etiology_studies
/
Prognostic_studies
Limite:
Humans
Idioma:
Es
Revista:
Rev Med Inst Mex Seguro Soc
Assunto da revista:
MEDICINA
/
MEDICINA SOCIAL
Ano de publicação:
2011
Tipo de documento:
Article
País de publicação:
México