title: Survival analysis 1982-1991: the second decade of the proportional hazards regression model.
abstract: A short review of the Cox regression model and its development from publication to 1982 is given. I discuss how the model is used and presented in medical journals and how improvement may be achieved. Finally, some extensions of the model are outlined.
authors.affiliation: Statistical Research Unit, University of Copenhagen, Denmark.
authors.forename: P K
authors.initials: PK
authors.lastname: Andersen
mesh_terms: D006801:Humans; D016016:Proportional Hazards Models; D012044:Regression Analysis; D016019:Survival Analysis