¿Levels of evidence or levels of world?
Keywords:
epidemiologic studies, cohort studies, case-control studies, epidemiologic research design, research support, evidence based medicine, randomized controlled trials, meta-analysisAbstract
Lately, as a result of a enthronization of randomized controlled trials, product of noncontextualyzed consideration of the concept of scientific evidence, other information source has been disqualified. This is particularly relevant in Latin-America where the limited access to information, the scarce scientific production and its characteristics, induce to consider other forms of scientific production. A narrative review has been conducted using key articles form the literature as a result of a non systematic search of the literature and the personal archive of the authors about the use of observational studies as scientific evidence.
Author Biographies
Zulma Ortiz, Centro de Investigaciones Epidemiológicas Academia Nacional de Medicina
Jefa de Docencia e Investigación y Coordinadora del Centro Colaborador Argentino de la Red Cochrane Iberoamericana en el Centro de Investigaciones Epidemiológicas Academia Nacional de Medicina, Buenos Aires, Argentina
Marcelo García, Centro de Investigaciones Epidemiológicas Academia Nacional de Medicina
Investigador del Centro de Investigaciones Epidemiológicas Academia Nacional de Medicina y Docente de la Universidad Nacional del Sur, Bahia Blanca, Argentina
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