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. Author manuscript; available in PMC: 2011 Sep 15.

Published in final edited form as: Am J Cardiol. 2010 Aug 2;106(6):793–797. doi: 10.1016/j.amjcard.2010.05.004

Table 1.

Levels of study variables by race and sex

Variable^*	White		Black		P Value for difference
Variable^*	Male (n=377)	Female (n=479)	Male (n=144)	Female (n=210)	Race	Sex
Age (years)	36 ± 4	36 ± 5	36 ± 4	35 ± 5	NS	NS
Body mass index (kg/m²)	29 ±6	28 ± 7	29 ± 7	31 ± 8	<0.001^†	<0.05
Homeostasis model assessment of insulin resistance	3.0 ± 3.0	2.4 ± 2.2	2.8 ± 2.6	3.6 ± 5.5	<0.001^†	<0.05
Triglycerides/High-density lipoprotein cholesterol	4.5 ± 4.7	2.8 ± 3.6	3.1 ± 3.6	1.8 ± 1.1	<0.001	<0.001
Low-density lipoprotein cholesterol (mg/dL)	130 ±34	124 ±33	125 ±43	114 ±30	<0.002^†	<0.05
Mean arterial pressure (mm Hg)	93 ± 8	87 ±9	99 ±13	92 ±12	<0.001	<0.001
Smoker (%)	29	28	42	29	<0.001^‡	<0.05^§
Estimated glomerular filtration rate (mL/min/1.73m²)	97 ±16	98 ±22	105 ±20	116 ±25	<0.001	<0.001^§
Phosphorus (mg/dL)	3.35± 0.54	3.37± 0.52	3.70± 0.59	3.61± 0.55	<0.001	NS
Carotid intima-media thickness (mm)	0.85± 0.18	0.75± 0.12	0.87± 0.16	0.79± 0.14	<0.001^†	<0.001

^*

Means ± SD for continuous variables

NS indicates p>0.05;

^†

females only;

^‡

males only;

^§

blacks only