| cgd {survival} | R Documentation |
Chronic Granulotamous Disease data
Description
Data are from a placebo controlled trial of gamma interferon in chronic granulotomous disease (CGD). Contains the data on time to serious infections observed through end of study for each patient.
Usage
cgd
data(cgd)
Format
- id
subject identification number
- center
enrolling center
- random
date of randomization
- treatment
placebo or gamma interferon
- sex
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
Details
The cgd0 data set is in the form found in the references,
with one line per patient and no recoding of the variables.
The cgd data set (this one) has been cast into (start, stop]
format with one line per event, and covariates
such as center recoded as factors
to include meaningful labels.
Source
Fleming and Harrington, Counting Processes and Survival Analysis, appendix D.2.
See Also
link{cgd0}