Clin Pediatr Hematol Oncol.
2019 Apr;26(1):1-5. 10.15264/cpho.2019.26.1.1.
What Should We Consider Carefully When Performing Survival Analysis?
- Affiliations
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- 1Department of Medical Statistics, School of Medicine, Catholic University of Daegu, Daegu, Korea.
- 2Department of Pediatrics, School of Medicine, Catholic University of Daegu, Daegu, Korea. ejchoi2@cu.ac.kr
- KMID: 2449225
- DOI: http://doi.org/10.15264/cpho.2019.26.1.1
Abstract
- The survival data and the survival analysis are the data and analysis methods used to study the probability of survival. The survival data consist of a period from the juncture of a start event to the juncture of the end event (occurrence event). The period is called the survival period or survival time. In this way, the method of analysing the survival time of subjects and appropriately summarizing the degree of survival is called survival analysis. To understand and analyse survival analysis methods, researchers must be aware of some concepts. Concepts to be aware of in the survival analysis include events, censored data, survival period, survival function, survival curve and so on. This review focuses on the terms and concepts used in the survival analysis. It will also cover the types of survival data that should be collected and prepared when using actual survival analysis method and how to prepare them.
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