Description Usage Format References Examples
The CGD data set in Fleming and Harrington (1991) consists of a placebo-controlled randomized trial of gamma interferon in chronic granulomatous disease.
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A data frame with 203 observations on the following 16 variables.
OBS
There were 203 observations.
HOSPITAL
Hospitial ID: There were 13 hospotials where trials were conducted.
PATIENT
Patient ID: There were 128 patients.
TIME
The recurrent infection times of each pateient from the different hospitals.
DEL
Censoring indicator(1 = uncensored, 0 = censored).
TRT
Treatment Code(1 = gamma interferon, 0 = placebo).
INHERIT
Pattern of inheritance (0 = autosomal recessive, 1 = X-linked).
AGE
Age of each patient, years.
HEIGHT
Height of each patient, in cm.
WEIGHT
Weight of each patient, in kg.
STEROIDS
Using corticosteroids at times of study centry(1 = Yes, 0 = No).
PROPYLAC
Using prophylactic antibiotics at time of study entry(1 = Yes, 0 = No).
SEX
Sex of each patient(0 = male, 1 = female).
H
Hospital region(0 = U.S.A., 1 = Europe).
LONGI
A longitudinal variable representing the accumulated time from the firts infection(in years).
ENUM
Sequence number. For each patient, the infection records are in sequnce number.
Fleming and Harrington (1991). Counting processes and survival analysis. Wiley: New York.
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