The TRACE data frame contains 1877 patients and is a subset of
a data set consisting of approximately 6000 patients.
It contains data relating survival of patients after
myocardial infarction to various risk factors.
sTRACE is a subsample consisting of 300 patients.
tTRACE is a subsample consisting of 1000 patients.
Format
This data frame contains the following columns:
id
a numeric vector. Patient code.
status
a numeric vector code. Survival status. 9: dead from myocardial
infarction, 0: alive, 7: dead from other causes.
a numeric vector code. Diabetes, 1: present, 0: absent.
vf
a numeric vector code. Ventricular fibrillation, 1: present, 0: absent.
wmi
a numeric vector. Measure of heart pumping effect based on ultrasound
measurements where 2 is normal and 0 is worst.
sex
a numeric vector code. 1: female, 0: male.
age
a numeric vector code. Age of patient.
Source
The TRACE study group.
Jensen, G.V., Torp-Pedersen, C., Hildebrandt, P., Kober, L.,
F. E. Nielsen, Melchior, T., Joen, T. and P. K. Andersen (1997),
Does in-hospital ventricular fibrillation
affect prognosis after myocardial infarction?,
European Heart Journal 18, 919–924.