
cgd 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}

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