Table 3.

Multivariable risk factor analysis for presence of Descending Thoracic calcification and Coronary Calcium.

	DTAC			CAC
Variable	PR	95% CI	p-value	PR	95% CI	p-value
Age (per 10 yr)	1.99	1.92, 2.06	<0.001	1.37	1.34, 1.40	<0.001
Gender (Female vs Male)	0.87	0.82, 0.94	<0.001	1.38	1.32, 1.44	<0.001
Race
White	1.00 (ref)	--	--	1.00 (ref)	--	--
Chinese	1.05	0.96, 1.16	0.272	0.93	0.86, 1.00	0.049
African-American	0.65	0.59, 0.74	<0.001	0.76	0.72, 0.80	<0.001
Hispanic	0.83	0.77, 0.91	<0.001	0.84	0.80, 0.89	<0.001
Former smoker	1.10	1.03, 1.17	0.003	1.11	1.06, 1.16	<0.001
Current smoker	1.44	1.30, 1.60	<0.001	1.24	1.16, 1.32	<0.001
BMI (per SD=5.5)	0.96	0.93, 1.00	0.062	1.04	1.02, 1.07	<0.001
Hypertension	1.35	1.26, 1.46	<0.001	1.14	1.09, 1.19	<0.001
Diabetes	1.09	1.00, 1.18	0.048	1.11	1.05, 1.17	<0.001
Family history of heart attack	1.10	1.03, 1.17	0.003	1.16	1.11, 1.21	<0.001
LDL (per SD=31)	1.06	1.03, 1.10	<0.001	1.07	1.05, 1.09	<0.001
HDL (per SD=15)	0.95	0.91, 0.94	0.005	0.96	0.94, 0.99	0.004
Lipid lowering meds	1.15	1.07, 1.23	<0.001	1.18	1.12, 1.23	<0.001
CRP (per SD=5.89)	1.00	0.97, 1.03	0.986	1.00	0.97, 1.02	0.683
Interleukin-6 (per SD=1.22)	1.03	1.00, 1.06	0.067	1.02	0.99, 1.04	0.074
Fibrinogen (per SD=74)	1.04	1.01, 1.08	0.023	1.03	1.01, 1.05	0.007
Factor VIII (per SD=67)	1.00	0.97, 1.03	0.909	1.03	1.01, 1.05	0.002

(all variables were entered into the model simultaneously)

BMI = body mass index; CAC = coronary artery calcium; CRP = C reactive protein; DTAC = descending thoracic aortic calcification; HDL = high density lipoprotein; LDL = low density lipoprotein; SD = standard deviation