. Author manuscript; available in PMC: 2012 May 17.

Published in final edited form as: Am J Cardiol. 2008 Apr 9;101(12):1741–1746. doi: 10.1016/j.amjcard.2008.02.060

Table 1.

Baseline characteristics according to estimated glomerular filtration rate cut points

Variable	eGFR (ml/min/1.73 m²)		P Value
	≤60 (n = 524)	>60 (n = 4,156)
Age (yrs)	64 ± 11	54 ± 12	<0.001
Men	307 (59%)	2,678 (64%)	0.009
Black race	61 (12%)	331 (8%)	0.004
Body mass index (kg/m²)	29 ±5	29 ± 6	0.174
Diabetes mellitus	178 (34%)	599 (14%)	<0.001
Systolic blood pressure (mm Hg)	132 ± 22	122 ± 19	<0.001
Current smoker	39 (7%)	582 (14%)	<0.001
Known coronary artery disease	308 (59%)	1,729 (42%)	<0.001
Previous myocardial infarction	193 (37%)	896 (22%)	<0.001
Previous peripheral vascular disease	64 (12%)	152 (4%)	<0.001
Aspirin use	340 (65%)	2,705 (65%)	0.93
Lipid lowering treatment	392 (75%)	2,769 (67%)	<0.001
Less than high school education	31 (6%)	137 (3%)	<0.001
High school education	202 (38%)	1,097 (26%)	<0.001
Some college	291 (56%)	2,922 (70%)	<0.001