Chart 19-4. HRs for CHD events associated with coronary calcium scores: US adults 45 to 84 years of age (reference group, CAC=0).

All HRs P<0.0001. Major CHD events included myocardial infarction and death attributable to CHD; any CHD events included major CHD events plus definite angina or definite or probable angina followed by revascularization.

CAC indicates coronary artery calcification; CHD, coronary heart disease; and HR, hazard ratio.

Data derived from Detrano et al.¹⁸