Explain literature controls, Advanced Statistics

Literature controls: The patients with the disease of interest who have received, in the past, one of two treatments under the investigation, and for whom the results have been published in the literature, which is now used as a control group for patients presently receiving the alternative treatment. Such a control group clearly needs careful checking for the comparability.

Posted Date: 7/30/2012 2:21:08 AM | Location : United States

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