Randomized controlled trial/Related Articles
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- See also changes related to Randomized controlled trial, or pages that link to Randomized controlled trial or to this page or whose text contains "Randomized controlled trial".
Parent topics
- Evidence-based medicine [r]: The conscientious, explicit and judicious use of current best evidence in making decisions about the care of individual patients. [e]
Subtopics
- Case-control studies [r]: Studies which start with the identification of persons with a disease of interest and a control (comparison, referent) group without the disease. The relationship of an attribute to the disease is examined by comparing diseased and non-diseased persons with regard to the frequency or levels of the attribute in each group. [e]
- Cross-sectional studies [r]: Studies in which the presence or absence of disease or other health-related variables are determined in each member of the study population or in a representative sample at one particular time. This contrasts with longitudinal studies which are followed over a period of time. [e]
- Longitudinal studies [r]: Studies in which variables relating to an individual or group of individuals are assessed over a period of time. [e]
- Retrospective studies [r]: Studies used to test etiologic hypotheses in which inferences about an exposure to putative causal factors are derived from data relating to characteristics of persons under study or to events or experiences in their past. The essential feature is that some of the persons under study have the disease or outcome of interest and their characteristics are compared with those of unaffected persons. [e]