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Analysis of dependent survival data applied to lifetimes of amalgam fillings
O O Aalen1, E Bjertness, T Soønju
1Section of Medical Statistics, University of Oslo, Blindern, Norway.
Statistics in Medicine
|August 30, 1995
Abstract:
When studying lifetimes of amalgam fillings, one is faced with the fact that each patient may contribute multiple survival data. This creates a dependence problem, and some methods for solving it are presented here. Analysis for individual patients with simple approaches for combining data is discussed first. Then a parametric frailty model is applied to analyse variation within and between patients. The results are presented in the form of an empirical Bayes estimate for each patient.