Synonyms
Survival analysis; Time-to-event analysis
Definition
Survival analysis is the study of distribution of life times, i. e. the times from an initiating event to some terminal event. Clinical trials commonly record the length of time from study entry to a disease endpoint for a treatment and control group. Time to event analysis provides a method of including patients who fail to complete the trial or do not reach the study end-point (censored data) by making comparisons between the numbers of survivors in each group at multiple points in time.
Basic Characteristics
If the outcome is an “event” that may happen over time, then the trial is frequently called a survival trial. Survival analysis must be applied to any clinical trial that is concerned with the prevention of some untoward “event” (or “endpoint”) that may eventually affect some or all of the patients. If these events may not occur for some time after starting treatment, it is worth looking at the times at which...
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© 2008 Springer-Verlag
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Miličič, B. (2008). Survival Analysis . In: Kirch, W. (eds) Encyclopedia of Public Health. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-5614-7_3413
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DOI: https://doi.org/10.1007/978-1-4020-5614-7_3413
Publisher Name: Springer, Dordrecht
Print ISBN: 978-1-4020-5613-0
Online ISBN: 978-1-4020-5614-7
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