cgd {survival}R Documentation

Chronic Granulotomous Disease data

Description

Data are from a placebo controlled trial of gamma interferon in chronic granulotomous disease (CGD). Uses the complete data on time to first serious infection observed through end of study for each patient, which includes the initial serious infections observed through the 7/15/89 interim analysis data cutoff, plus the residual data on occurence of initial serious infections between the interim analysis cutoff and the final blinded study visit for each patient. Only one patient was taken off on the day of his last infection.

Usage

cgd

Format

id:

subject identifiction number

center:

enrolling center

random:

date of randomization

treatment:

placebo or gamma interferon

sex:

age:

age in years, at study entry

height:

height in cm at study entry

weight:

weight in kg at study entry

inherit:

pattern of inheritance

steroids:

use of steroids at study entry,1=yes

propylac:

use of prophylactic antibiotics at study entry

hos.cat:

a categorization of the centers into 4 groups

tstart, tstop:

start and end of each time interval

status:

1=the interval ends with an infection

enum:

observation number within subject

Source

Fleming and Harrington, Counting Processes and Survival Analysis, appendix D.2.


[Package survival version 2.36-9 Index]