Multivariate survival analysis using Cox's regression model

¹Medical Department A, Division of Hepatology, Rigshospitalet, Medical Department, Division of Hepatology, Hvidovre Hospital

²Medical Department F, Gentofte Hospital, University of Copenhagen, DK-2900 Copenhagen, Denmark

^*Address reprint requests to: Medical Department F, Gentofte Hospital, University of Copenhagen, Niels Andersens vej 65, DK-2900 Copenhagen, Hellerup, Denmark