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New Ways to Look at Mortality Deceleration: EXTENDED ABSTRACT

Auteur : Rau Roland, Muszyñska Magdalena M., Vaupel James W. ...[et al.]
Date de publication : 15/09/2008
Type : Actes de congrès / Séminaire / Atelier
Thème : Santé
Couverture : Maroc

Résumé/Sommaire :

Throughout most of adult lifespan, mortality increases linearly on a logarithmic scale. At advanced ages, though, mortality levels off resulting in overestimating mortality if a Gompertzian shape is assumed. Most commonly this mortality deceleration is measured by the life-table aging rate, introduced by Horiuchi and colleagues, but also other methods were used previously. In this paper we present two alternative approaches to determine the age when mortality deceleration starts: 1) the age when mortality acceleration is at its maximum and b) the age when observed mortality deviates significantly from the exponential increase. After a theoretical justification, we show with empirical data that these two new methods are not only intuitively but also practically appealing.

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