Table.

Baseline characteristics of the study sample

Variable	Overall Cohort (N=501,017) 100%	Femoral access*, bivalirudin (N=382,792) 76%	Radial access, bivalirudin (N=55,188) 11%	Radial access, heparin (N=63,037) 13%
Age	65 (56,73)	65 (56,74)	64 (55,72)	63 (55,72)
Male gender	68.87	68.44	69.81	70.70
Race - white	88.86	88.83	88.92	89.01
BMI (kg/m^2)	29.3 (25.9,33.6)	29.2 (25.8,33.4)	29.9 (26.4,34.8)	29.7 (26.2,34.4)
Previous MI	29.15	29.68	28.37	26.62
Previous CHF	10.65	10.85	10.36	9.70
Previous Valve Surgery	1.35	1.42	1.12	1.12
Diabetes	35.89	33.93	36.81	34.82
Cerebrovascular Disease	11.18	11.34	10.92	10.44
Peripheral Vascular Disease	10.62	10.29	12.15	11.13
Chronic Lung Disease	13.98	13.89	14.92	13.72
Hypertension	82.36	82.54	82.85	80.87
Current/Recent Smoker	25.36	24.59	27.52	28.18
Dyslipidemia	81.34	81.59	81.54	79.66
Family History of CAD	25.85	25.55	26.91	26.70
Previous PCI	40.64	41.56	39.28	36.25
Previous CABG	16.31	18.66	8.93	8.45
Renal Dialysis	1.75	1.98	1.00	1.02
Presentation Non-STEMI	17.08	16.04	18.77	21.90
Presentation STEMI	9.11	9.41	6.10	9.96
NYHA Class 4	18.88	18.65	19.14	20.07
EF	55 (50,60)	55 (50,60)	57 (50,60)	55 (50,60)
GP IIb/IIIa	12.31	8.53	7.39	39.57
Low bleeding risk	25.00	24.56	28.06	24.96
Med bleeding risk	50.00	49.69	51.26	50.98
High bleeding risk	25.00	25.74	20.69	24.07

^*All femoral access patients had a vascular closure device. Abbreviations: BMI – body mass index. MI – myocardial infarction. CHF – congestive heart failure. CAD – coronary artery disease. PCI – percutaneous coronary intervention. CABG – coronary artery bypass graft surgery. STEMI – ST segment elevation myocardial infarction. EF – ejection fraction. GP IIb/IIIa – glycoprotein IIb/IIIa.