. Author manuscript; available in PMC: 2022 Jan 19.

Published in final edited form as: Circ Cardiovasc Imaging. 2021 Jan 19;14(1):e011981. doi: 10.1161/CIRCIMAGING.120.011981

Table 3.

Cox model for 15-year incidence of CHD by quartiles of ln (SWCS) for participants with Agatston CAC = 0, with adjustment for covariates using the MESA risk score¹⁸; N=3,271. Covariates as of baseline exam.

Covariate	Haz. Ratio	95% Conf. Interval	P>\|z\|
Quartiles of ln (SWCS)
Quartile 1^*	1	reference
Quartile 2	1.46	(0.74,2.88)	0.270
Quartile 3	1.70	(0.88,3.26)	0.114
Quartile 4	2.32	(1.24,4.32)	0.008

MESA Risk Score	1.40	1.23,1.59	<0.0001

CHD = coronary heart disease. ln = natural logarithm.

SWCS = spatially weighted calcium score.

Reference category.