DiaRet {gss}

Diabetic Retinopathy

Description

Time to blindness of 197 diabetic retinopathy patients who received a laser treatment in one eye.

Usage

data(DiaRet)

Format

A data frame containing 197 observations on the following variables.

id	Patient ID.
time1	Follow-up time of left eye.
time2	Follow-up time of right eye.
status1	Censoring indicator of left eye.
status2	Censoring indicator of right eye.
trt1	Treatment indicator of left eye.
trt2	Treatment indicator of right eye.
type	Type of diabetes.
age	Age of patient at diagnosis.
time.t	Follow-up time of treated eye.
time.u	Follow-up time of untreated eye.
status.t	Censoring indicator of treated eye.
status.u	Censoring indicator of untreated eye.

Source

This is reformatted from the data frame diabetes in the R package timereg by Thomas H. Scheike.

References

Huster, W.J., Brookmeyer, R., and Self, S.G. (1989), Modelling paired survival data with covariates. Biometrics, 45, 145–56.