gastric {surv2sample}R Documentation

Gastric Cancer Data

Description

Survival data from a trial comparing chemotherapy versus combined chemotherapy plus radiotherapy in the treatment of gastric cancer.

Usage

data(gastric)

Format

A data frame with 90 observations (45 in each treatment group) with the following 3 variables:

time
survival or censoring time, in days
event
1 = death, 0 = censoring
treatment
1 = chemotherapy, 2 = chemotherapy plus radiotherapy

Source

Stablein, D. M. and Koutrouvelis, I. A. (1985) A two-sample test sensitive to crossing hazards in uncensored and singly censored data. Biometrics 41, 643–652. (Page 649)

Examples

data(gastric)
plot(survfit(Surv(time, event) ~ treatment, data = gastric))

[Package surv2sample version 0.1-2 Index]