Data from a trial in which a therapy (standard or test chemotherapy) was randomly applied to 137 patients who were diagnosed with inoperable lung cancer. The survival times of the patients were measured in days since treatment.
Format
A matrix with 137 rows and 8 variables:
- Time
Survival time (in days)
- Cens
0 or 1. If 0 the observation is right censored
- Intercept
The intercept
- Treat
The treatment applied to the patient (0: standard, 1: test)
- Type.1
The histological type of the tumor (1: type 1, 0: otherwise)
- Type.2
The histological type of the tumor (1: type 2, 0: otherwise)
- Type.3
The histological type of the tumor (1: type 3, 0: otherwise)
- Status
A continuous index representing the status of the patient: 10—30 completely hospitalized, 40—60 partial confinement, 70—90 able to care for self.
- MFD
The time between the diagnosis and the treatment (in months)
- Age
Age (in years)
- Prior
Prior therapy, 0 or 10