. Author manuscript; available in PMC: 2015 May 5.

Published in final edited form as: Circ Cardiovasc Imaging. 2014 Feb 27;7(3):446–453. doi: 10.1161/CIRCIMAGING.113.000980

Table 1. Population demographics and coronary artery disease risk factors by the absence or presence of coronary plaque (N=805)^*.

	Plaque Absent (N=439)	Plaque Present (N=366)	p-value
Age, years	46.4 ± 9.7	56.8 ± 9.0	<0.0001
Female sex, %	64.2	35.8	<0.0001
African American, %	41.5	34.4	0.04
Hypertension, %	30.6	57.9	<0.0001
Diabetes, %	8.0	15.9	0.0005
Current smoking, %	18.3	20.5	0.43
LDL cholesterol, mmol/l (mg/dl)	2.92 ± 0.92 (113.7 ± 35.4)	2.92 ± 0.98 (112.8 ± 38.0)	0.73
HDL cholesterol, mmol/l (mg/dl)	1.51 ± 0.45 (58.2 ± 17.5)	1.42 ± 0.43 (55.0 ± 16.6)	0.009
Triglycerides, mmol/l (mg/dl)	1.12 ± 0.62 (105.9 ± 54.7)	1.41 ± 0.91 (125.1 ± 80.4)	0.0001
BMI, kg/m²	30.0 ± 6.5	30.6 ± 5.5	0.19
Statin medications, %	14.8	39.3	<0.0001
Calculated 10-year Framingham Risk	4.6 ± 3.8	9.6 ± 7.2	<0.0001

Continuous variables presented as mean ± 1 standard deviation

Table 1. Population demographics and coronary artery disease risk factors by the absence or presence of coronary plaque (N=805)*.