Choosing a time origin that is different from the time of study entry in survival analysis

30 Apr

From MATTHEW SPERRIN Department of Mathematics and Statistics, Lancaster University, UK and  IAIN BUCHAN North-west Institute for Bio-Health Informatics, School of Community Based Medicine,University of Manchester, UK  an article about time origin in survival analysis. When there is no survival modifiyng event at the entry in the study (like intervention or desease) the analysis can be made with age as time scale. In this case age related covariates must be adjusted for age.




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