Learn R Programming

EL2Surv (version 1.1)

hepatitis: Survival from Severe Alcoholic Hepatitis

Description

The data frame hepatitis is obtained by digitizing the published Kaplan-Meier curves in Nguyen-Khac et al (2011). The method of digitizing is described in Guyot et al. (2012). See intELtest and ptwiseELtest for the application.

Usage

hepatitis

Arguments

Format

The hepatitis is a data frame with 174 observations of 3 variables, and has the following columns:

  • time the survival time

  • censor the censoring indicator

  • group the grouping variable

References

P. Guyot, A. E. Ades, M. J. N. M. Ouwens, and N. J. Welton, "Enhanced secondary analysis of survival data: reconstructing the data from published Kaplan-Meier survival curves," BMC Medical Research Methodology, 12(1):9. http://bmcmedresmethodol.biomedcentral.com/articles/10.1186/1471-2288-12-9

See Also

intELtest, ptwiseELtest