Patient characteristics
| Variable | |
| Age, years | 54±17 |
| Female sex, n (%) | 26 (52) |
| BMI | 29±5 |
| Handedness | |
| Right, n (%) | 46 (92) |
| Left, n (%) | 2 (4) |
| Unknown, n (%) | 2 (4) |
| Inpatient, n (%) | 34 (68) |
| Active antiplatelet therapy, n (%) | 26 (52) |
| Active dual antiplatelet therapy, n (%) | 16 (32) |
| Active anticoagulation therapy, n (%) | 9 (18) |
| Radial artery diameter, mm | 2.4±0.7 |
| Ulnar artery diameter, mm | 2.1±0.6 |
| Radial artery anomaly | |
| Tortuosity, n (%) | 2 (4) |
| Stenosis, n (%) | 1 (2) |
| Radioulnar loop, n (%) | 4 (8) |
| Abnormal origin, n (%) | 2 (4) |