AIDS: AIDS blood transfusion data

In rennertl/SurvTrunc: Analysis of Doubly Truncated Data

Description

Data collected by CDC data registry. Adults infected with virus from contaminated blood transfusion in April 1978. Event time is the induction time from HIV infection to AIDS. Infection time is time from blood transfusion to HIV infection. Data left truncated because only subjects who develop AIDS after 1982 are unobserved (as HIV unknown before 1982). Data also right truncated because cases reported after July 1, 1986 are not included in the sample to avoid inconsistent data and bias from reporting delay.

Usage

data(AIDS)

Format

This data frame contains the following columns:

Induction.time

Months between HIV infection and development of AIDS (event time of interest)

Adult

Indicator of adult (1=adult,0=child)

Infection.time

Months from blood transfusion date (Apr 1,1978) to HIV infection

L.time

Left truncation time: 45 - infection time

R.time

Right truncation time: Left truncation time + 54 months

status

Indicator of event occurrence, which is set to 1 since all subjects experience the event

Source

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

Lagakos et al. Biometrika 68 (1981): 515-523.

Examples

data(AIDS)

rennertl/SurvTrunc documentation built on May 20, 2019, 3:01 p.m.