THE ALCO DATA SET: SURVIVAL OF CIRRHOSIS PATIENTS

The ALCO data set, displayed in Output 5.15, consists of simulated data for 29 alcoholic cirrhosis patients. The variables are as follows:

SURV

is the number of months from diagnosis until death or termination of the study.

DEAD

has a value of 1 if the patient died; otherwise, DEAD has a value of 0.

TIME2–TIME10

represent the time of clinic visits in months since diagnosis.

PT1–PT10

is the blood coagulation measure at diagnosis and at subsequent clinic visits.