Korean J Hosp Palliat Care.
2010 Mar;13(1):1-6.
Usage of Statistics in Clinical Trials
- Affiliations
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- 1Department Statistics, Dongguk University-Seoul, Seoul, Korea. ahn@dongguk.edu
Abstract
- The purpose of clinical trials is to find evidences for the effects of experimental new drugs or treatments on human. For the successful clinical trials, it is not sufficient to use statistics only for the analyses of collected data, but it is necessary to extend the usage of statistics in various ways. At the beginning of the study, one needs to use statistics for systematically and concretly planning the study. For this, we discussed the usage of statistics in defining the effect, determining the sample size, statistical analyses, and so on.