diabetes data frame is based on a study conducted at the Steno Memorial Hospital in Denmark from 1933-1984. The data involve 731 patients (454 males and 277 females) and have 595 exact, 136 interval-censored, and no right-censored observations.
A data frame with 731 observations on the following 3 variables.
left end point of an censoring interval
right end point of an censoring interval
gender indicator (1 for male and 0 for female)
The survival time is time from onset of diabetes to the onset of diabetic nephronpathy, a major complication of Type I diabetes.
Kindly provided by Professor P. K. Andersen.
X. Zhao, Q. Zhao, J. Sun, Q. and J. S. Kim (2008), "Generalized Log-rank Tests for Partly Interval-Censored Failure Time Data", Biometrical Journal, 50 (3): 375-385.