aids.id {mdhglm}

Survival Time Data for each of Patients on the AIDS Data

Description

In the AIDS data, survival data can be summarized for each of patients. Times to death were also recorded with 40 percent of censoring rate.

Usage

data("aids.id")

Format

A data frame with 467 observations on the following 12 variables.

patient

patients identifier for 467 patients

Time

time to death or censoring

death

status with 0 denoting censoring and 1 death for patient

CD4

CD4 cells count

obstime

time points at which the CD4 cells count was recorded

drug

a factor with levels ddC (zalcitabine) and ddI (didanosine)

gender

a factor with levels female and male

prevOI

a factor with levels noAIDS (previous opportunistic infection at study entry) and AIDS (no previous infection)

AZT

a factor with levels intolerance (AZT intolerance) and failure (AZT failure)

start

start of time in the first interval

stop

end of time in the first interval

event

status with 0 denoting censoring and 1 death in the first interval

References

Rizopoulos, D. (2015). JM: Joint Modeling of Longitudinal and Survival Data. R package version 1.4-2.