AIDS {DTDA}

AIDS Blood Transfusion Data, right truncated

Description

The data include information on the infection and induction times for 258 adults who were infected with HIV virus and developed AIDS by June 30, 1996. The data consist on the time in years, measured from April 1, 1978, when adults were infected by the virus from a contaminated blood transfusion, and the waiting time to development of AIDS, measured from the date of infection. The induction times are right-truncated.

Usage

data(AIDS)

Format

A data frame with 258 observations on the following 3 variables.

INFTime

a numeric vector, the infection time (years).

INDTime

a numeric vector, the induction time (years).

V

a numeric vector, the time from HIV infection to the end of the study (years).

Source

Klein and Moeschberger (1997) Survival Analysis Techniques for Censored and truncated data. Springer.

References

Lagakos SW and Barraj LM and de Gruttola V (1988) Nonparametric Analysis of Truncated Survival Data, with Applications to AIDS. Biometrika 75, 515–523.

Examples

data(AIDS)
str(AIDS)