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.
OBSThere were 203 observations.
HOSPITALHospitial ID: There were 13 hospotials where trials were conducted.
PATIENTPatient ID: There were 128 patients.
TIMEThe recurrent infection times of each pateient from the different hospitals.
DELCensoring indicator(1 = uncensored, 0 = censored).
TRTTreatment Code(1 = gamma interferon, 0 = placebo).
INHERITPattern of inheritance (0 = autosomal recessive, 1 = X-linked).
AGEAge of each patient, years.
HEIGHTHeight of each patient, in cm.
WEIGHTWeight of each patient, in kg.
STEROIDSUsing corticosteroids at times of study centry(1 = Yes, 0 = No).
PROPYLACUsing prophylactic antibiotics at time of study entry(1 = Yes, 0 = No).
SEXSex of each patient(0 = male, 1 = female).
HHospital region(0 = U.S.A., 1 = Europe).
LONGIA longitudinal variable representing the accumulated time from the firts infection(in years).
ENUMSequence 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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