. Author manuscript; available in PMC: 2016 Oct 13.

Published in final edited form as: J Am Coll Cardiol. 2015 Oct 13;66(15):1643–1653. doi: 10.1016/j.jacc.2015.08.035

Table 3.

Evaluation of Model Performance

	MESA	HNR	DHS
Sample Size	6726	3692	1080
# CHD events	422	274	58
	Model with Risk Factors Only
Harrell’s C-statistic	0.750	0.720	0.782
Discrimination Slope	0.052	0.053	0.046
Calibration Slope	0.834	0.740	1.55
	Model with Risk Factors and CAC
Harrell’s C-statistic	0.800	0.779	0.816
Discrimination Slope	0.086	0.095	0.078
Calibration Slope	0.857	0.899	1.19