Ovarian Cancer Survival Data

Description

Survival in a randomised trial comparing two treatments for ovarian cancer

Usage

ovarian

Format

A data frame with 26 observations and the following variables

futime

survival or censoring time

fustat

0=censored, 1=death

age

age in years

resid.ds

residual disease present (1=no,2=yes)

rx

treatment group, 1= cyclophosphamide, 2= cyclophosphamide + adriamycin

ecog.ps

ECOG performance status (1 is better)

Note

The usage above assumes that the survival package is attached via library(survival) or via another package that depends on survival, e.g., mstate. If not, then either survival::ovarian can be used or data(cancer, package="survival").

References

Edmunson, J.H., Fleming, T.R., Decker, D.G., Malkasian, G.D., Jefferies, J.A., Webb, M.J., and Kvols, L.K., Different Chemotherapeutic Sensitivities and Host Factors Affecting Prognosis in Advanced Ovarian Carcinoma vs. Minimal Residual Disease. Cancer Treatment Reports, 63:241-47, 1979.