Transcription of Surviving Survival Analysis – An Applied Introduction
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Surviving Survival Analysis – An Applied Introduction
ST-1471 Surviving Survival Analysis An Applied IntroductionChristianna S. Williams, abt associates inc , Durham, NCABSTRACTBy incorporating time-to -event information, Survival Analysis can be more powerful than simply examiningwhether or not an endpoint ofinterest occurs, and it has the added benefit of accounting for censoring,thus allowing inclusion of individuals who leave the study early. This tutorial-style presentation will gothrough the basics of Survival Analysis , starting withdefining key variables,examining and comparingsurvival curves using PROC LIFETEST and leading intoa brief Introduction toestimating Cox regressionmodels using PROC PHREG. The evaluation of the proportional hazards assumption and coding of time-dependent covariates will also be explained. The emphasis will be on application, not theory, but pitfallsthe analyst must watch out for will be covered.
Christianna S. Williams, Abt Associates Inc, Durham, NC ABSTRACT By incorporating time-to-event information, ... Connecticut who enrolled in a
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