Coronary Artery Surgery Study data
cass.Rd
This data from the Coronary Artery Surgery Study evaluates two tests to determine the presence or absence of coronary artery disease by comparing to coronary angiography, the gold standard. Test 1 is an exercise stress test and Test 2 is a clinical history of chest pain.
Format
A data frame with 871 rows and 3 columns:
- exercise
Dichotomous result on exercise stress testing.
- cp
Presence of absence of chest pain based on medical history.
- angio
Dichotomous result on coronary angiography.
Details
All three variables are dichotomous. 1 indicates a positive result; 0 indicates a negative result.
This data was originally presented in Weiner et al. (1979).
References
Weiner et al. (1979)) N Engl J Med. 1979;301(5):230-5 doi:10.1056/NEJM197908023010502