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Titel:

Dynamic Cox modelling based on fractional polynomials: time-variations in gastric cancer prognosis.

Dokumenttyp:
Journal Article; Article
Autor(en):
Berger, U; Schafer, J; Ulm, K
Abstract:
The most popular model used for survival analysis is the proportional hazards regression model proposed by Cox. This is mainly due to its exceptional simplicity. Nevertheless the fundamental assumption of the Cox model is the proportionality of the hazards. For many applications, however, this assumption is doubtful. Proposals to extend the Cox model for non-proportional hazards to allow for dynamic effect structures usually either depend on prespecifications or require non-standard estimation t...     »
Zeitschriftentitel:
Stat Med
Jahr:
2003
Band / Volume:
22
Heft / Issue:
7
Seitenangaben Beitrag:
1163-80
Sprache:
eng
Volltext / DOI:
doi:10.1002/sim.1411
PubMed:
http://view.ncbi.nlm.nih.gov/pubmed/12652560
Print-ISSN:
0277-6715
TUM Einrichtung:
Institut für Medizinische Statistik und Epidemiologie
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