hepatitis {surv2sample}R Documentation

Chronic Active Hepatitis Data

Description

Survival data from a randomised clinical trial of the drug prednisolone for chronic active hepatitis.

Usage

data(hepatitis)

Format

A data frame with 44 observations, with the following 3 variables:

treatment
treatment type (1 = drug prednisolone, 2 = untreated control group)
time
time following admission to the trial, in months
status
censoring status (1 = death, 0 = censored)

Source

Collett, D. (2003) Modelling Survival Data in Medical Research. Second Edition. Chapman & Hall/CRC. (Appendix D.1, p. 363)
http://www.crcpress.com/e_products/downloads/webdownload/C3251/C3251.zip

Examples

data(hepatitis)
plot(survfit(Surv(time, status) ~ treatment, data = hepatitis))

[Package surv2sample version 0.1-2 Index]