Table 1 Clinical, procedural and angiographic characteristics of the study population
Overall (n = 1052)Femoral (n = 543)Radial (n = 509)p Value
Age (years)66 (11)66 (11)66 (10)0.9
Male gender743/1052 (71%)360/543 (66%)383/509 (75%)<0.002
Body mass index (kg/m2)27 (4)27 (4)27 (4)0.1
History of stroke43/1051 (4%)22/543 (4%)21/508 (4%)0.9
Active smoking167/1052 (16%)97/542 (18%)70/509 (14%)0.08
Type 2 diabetes mellitus223/1052 (21%)119/543 (18%)104/509 (20%)0.6
Peripheral arterial disease74/1051 (7%)36/542 (7%)38/509 (7%)0.7
Carotid disease82/1050 (8%)51/541 (9%)31/509 (6%)0.06
Chronic renal failure83/1052 (8%)41/543 (7%)42/509 (8%)0.8
Previous radial access93/1051 (9%)20/542 (4%)73/509 (14%)<0.0001
Previous PCI212/1051 (20%)92/542 (17%)120/509 (24%)<0.01
Previous CABG100/1052 (9%)58/543 (11%)42/509 (8%)0.2
Type of procedure
Non-coronary procedures126/1052 (12%)68/543 (12%)58/509 (11%)0.6
Scheduled on the basis of a previous angiography180/1040 (17%)94/535 (18%)86/505 (17%)0.9
Diagnostic only628/1052 (60%)323/543 (59%)305/509 (60%)0.9
Overall interventional424/1052 (40%)220/543 (41%)204/209 (40%)0.9
Clinical presentation
Chronic stable angina pectoris365/1051 (35%)151/542 (28%)214/509 (42%)<0.0001
Acute coronary syndromes328/1051 (31%)189/542 (35%)139/509 (28%)<0.01
ST-elevated myocardial infarction105/1051 (10%)59/542 (11%)46/509 (9%)0.4
Cardiogenic shock2/1051 (0.2%)2/542 (0.4%)-0.3
Other253/1051 (24%)143/542 (26%)110/509 (22%)0.08
Procedure details
Total duration of the procedure (minutes)43 (30)44 (32)41 (28)0.2
Sheath size (French)5.9 (0.6)6.1 (0.5)5.7 (0.6)<0.0001
Contrast injected (ml)176 (112)172 (111)179 (114)0.3
Fluoroscopy time (s)658 (668)645 (641)672 (695)0.5
Number of catheters used per procedure2.7 (1.0)2.6 (0.9)2.8 (1.1)0.2
Total heparin dosage (IU)4950 (2600)4270 (2700)5650 (2200)<0.0001
Glycoprotein IIb/IIIa inhibitor use122/1052 (12%)46/543 (8%)76/509 (15%)0.002
Need for a repeated arterial access36/1052 (3%)4/543 (0.7%)32/509 (6.5%)<0.0001
Closure devices use146/1051 (14%)137/543 (25%)9/508 (2%)<0.0001
Percutaneous coronary intervention
Multivessel intervention199/424 (47%)93/215 (43%)106/204 (52%)0.07
Complete success399/418 (95%)203/215 (94%)196/204 (96%)0.6
Partial success2/418 (0.5%)1/215 (0.5%)1/204 (0.5%)0.7
Failure16/418 (4%)10/215 (4%)6/204 (3%)0.5
  • CABG, coronary artery bypass graft; PCI, percutaneous coronary intervention.