SMPracticals (version 1.3-1)

blalock: Blalock--Taussig Shunt Data

Description

The Blalock--Taussig shunt is an operative procedure for infants with congenital cyanotic heart disease. The data are the survival times in months for shunts in 81 infants, divided into two age groups.

Usage

data(blalock)

source

Oakes, D. (1991) Life-table analysis. In Statistical Theory and Modelling: In Honour of Sir David Cox, FRS, eds D. V. Hinkley, N. Reid and E. J. Snell, pp. 107--128. London: Chapman and Hall/CRC Press.

References

Davison, A. C. (2003) Statistical Models. Cambridge University Press. Page 192.

Examples

data(blalock)
library(survival)
plot(survfit(Surv(months,cens)~group,data=blalock),conf.int=TRUE,col=c(2,3))