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A randomized trial on 488 liver cirrhosis patients
Two data frames with the following variable.
id
patients identifier; in total there are 467 patients.
pro
prothrobin measurements.
time
for data frame prothro the time points at which the prothrobin measurements were taken; for data frame prothros the time to death or censoring.
prothro
prothros
death
a numeric vector with 0 denoting censoring and 1 death.
treat
randomized treatment; a factor with levels "placebo" and "prednisone".
Andersen, P. K., Borgan, O., Gill, R. D. and Keiding, N. (1993). Statistical Models Based on Counting Processes. New York: Springer.
summary(prothros)
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