R: Diabetic Retinopathy

DiaRet {gss} | R Documentation

## 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.

[Package gss version 2.2-2 Index]