Trial for treatment of ovarian cancer patients comparing cyclophosphamide alone with cyclophosphamide combined with adriamycin.
ovarianA data frame with 26 rows and 7 variables:
patientinteger identifer
timeinteger survival time from randomisation in days
statusinteger event indicator (0=right censored, 1=event)
treatinteger treatment (1=single, 2=combined)
ageinteger age of patients in years
rdiseaseinteger extent of residual disease (1=incomplete, 2=complete)
perfinteger performance status (1=good, 2=poor)
See Collett (2023)