Table 1. Baseline Characteristics of the Patientsa.
| Characteristic | Radial Access (n = 1136) | Femoral Access (n = 1156) |
|---|---|---|
| Age, mean (SD), y | 61.6 (12.3) | 62.0 (12.1) |
| Age ≥75, No. (%) | 186 (16.4) | 186 (16.1) |
| Male sex, No. (%) | 883 (77.7) | 901 (77.9) |
| Medical history, No. (%) | ||
| Hypertension | 558 (49.1) | 541 (46.8) |
| Diabetes | 190 (16.7) | 212 (18.3) |
| Current smoker | 450 (39.6) | 442 (38.2) |
| Dyslipidemia | 423 (37.2) | 431 (37.3) |
| Previous myocardial infarction | 125 (11.0) | 116 (10.0) |
| Previous percutaneous coronary intervention | 105 (9.2) | 104 (9.0) |
| Previous stroke or TIA | 41 (3.6) | 40 (3.5) |
| Anterior myocardial infarction, No. (%) | 428 (37.7) | 396 (34.3) |
| Heart rate, mean (SD), beats/min | 76.7 (30.3) | 77.5 (25.5) |
| Systolic blood pressure, mean (SD), mm Hg | 141.0 (28.5) | 142.4 (27.7) |
| Killip class, No. (%) | 79 (7.0) | 77 (6.7) |
| I | 1055 (93.1) | 1071 (93.2) |
| II | 69 (6.1) | 62 (5.4) |
| III | 6 (0.5) | 12 (1.0) |
| IV | 3 (0.3) | 3 (0.3) |
| Weight, mean (SD), kg | 84.1 (17.5) | 84.5 (17.9) |
| BMI, mean (SD) | 28.2 (4.9) | 28.2 (4.9) |
| Creatinine clearance, mean (SD), mL/minb | 101.7 (4.5) | 103.8 (5.3) |
| Peripheral vascular disease, No. (%) | 8 (0.7) | 15 (1.3) |
| Presentation by ambulance, No. (%) | 685 (60.3) | 682 (59.0) |
Abbreviations: BMI, body mass index (calculated as weight in kilograms divided by height in meters squared); TIA, transient ischemic attack.
a
There were no significant differences between groups in the listed characteristics.
b
To convert creatinine clearance to milliliters per second, multiply by 0.0167.