Table 1

Baseline characteristics by anticoagulant group

FactorPCI group (N=58 862) n (%)Bivalirudin (N=20 808) n (%)Heparin (N=38 008) n (%)p Value*
Gender
 Female19 471 (33.1)7336 (35.3)12 135 (31.9)<0.001
Age group
 >65 year27 700 (47.1)10 421(50.1)17 279 (45.5)<0.001
Race
 Black, Hispanic or other5198 (8.8)2060 (9.9)3138 (8.5)0.03
BMI
 Mean (SD)30.6 (10.5)30.6 (9.4)30.7 (11.5)0.25
 HTN49 897 (84.7)18 174 (87.5)31 723 (83.6)<0.001
 Dyslipidemia50 331 (85.5)18 298 (88.1)32 033 (84.4)<0.001
 Current smoker17 416 (29.6)5455 (26.3)11 961 (31.5)<0.001
 Prior MI20 873 (35.5)7722 (37.1)13 151 (34.6)<0.001
 Prior CHF8170 (13.9)3170 (15.3)5000 (13.2)<0.001
 Prior valve surgery712 (1.2)294 (1.4)418 (1.1)0.01
 Prior PCI26 897 (45.6)10 304 (49.5)16 593 (43.7)<0.001
 Prior CABG12 476 (21.2)4778 (23.0)7698 (20.3)<0.001
 Kidney disease1067 (1.8)378 (1.8)689 (1.8)1.0
 Prior CVD22 681 (38.5)17 636 (15.1)5045 (13.3)<0.001
 Prior PAD8304 (14.1)3267 (15.7)5037 (13.3)<0.001
 Chronic lung disease11 112 (18.9)4060 (19.5)7052 (18.6)0.01
 Diabetes22 562 (38.3)8352 (40.1)14 210 (37.4)<0.001
 Device closure10 890 (18.5)4497 (21.6)6393 (16.8)<0.001
 Gp2B3A17 486 (29.7)1621 (7.8)15 862 (41.7)<0.001
  • *p Value compares bivalirudin to heparin.

  • CHF, congestive heart failure; CVD, cardiovascular disease; HTN, hypertension; MI, myocardial infarction; PAD, peripheral artery disease; PCI, percutaneous coronary intervention.