Table 1

Baseline Patient and Procedural Characteristics

CharacteristicFluoroscopy (n = 501)Ultrasound (n = 503)p Value
Age, yrs64.2 ± 11.463.5 ± 12.40.33
Male366 (73.1)371 (73.8)0.80
White329 (65.7)352 (70.0)0.14
Patient status
 Outpatient254 (50.7)265 (52.8)0.53
 Inpatient171 (34.1)148 (29.5)0.11
 Outpatient admitted after procedure76 (15.2)89 (17.7)0.28
BMI (kg/m2)29.4 ± 6.330.1 ± 7.20.11
 Obesity (BMI >30)186 (37.1)210 (41.7)0.13
 Morbid obesity (BMI >40)31 (6.2)41 (8.2)0.23
Hypertension427 (85.2)426 (84.7)0.81
Hypercholesterolemia387 (77.2)405 (80.5)0.20
Diabetes mellitus182 (36.3)203 (50.3)0.19
Tobacco184 (36.7)226 (44.9)0.008
Creatinine >2.0 mg/dl9 (1.8)9 (1.8)0.99
End stage renal disease10 (2.0)15 (3.0)0.31
Ipsilateral PVD45 (9.2)45 (9.0)0.92
CFA diameter, mm6.49 ± 1.26.46 ± 1.20.68
Procedural characteristics
 Coronary angiogram460 (91.8)451 (89.7)0.24
 Peripheral angiogram41 (8.2)52 (10.3)0.24
 Intervention161 (32.1)155 (30.8)0.65
 Right heart catheterization30 (6.0)44 (8.7)0.094
 Sheath size5.6 ± 0.85.6 ± 0.90.99
 Fellow involved470 (93.8)468 (93.0)0.62
 Closure device used286 (57.1)332 (66.4)0.004
Drugs used
 Heparin199 (39.7)211 (41.9)0.47
 Glycoprotein IIb/IIIa inhibitor38 (7.6)38 (7.6)0.99
 Bivalirudin40 (8.0)38 (7.6)0.80
 Clopidogrel251 (50.1)236 (46.9)0.31

Values are presented as n (%) or mean ± SD.

BMI = body mass index; CFA = common femoral artery; PVD = peripheral vascular disease, defined as >50% stenosis by angiography.

  • Patients on dialysis excluded.

  • Heparin includes either unfractionated heparin and low molecular weight heparin.