Table 2.
Procedure characteristics
| Characteristic | TRA (n = 403) | dTRA (n = 398) | P |
|---|---|---|---|
| Right side first access, % (n) | 99.8 (402/403) | 99.2 (395/398) | 0.31 |
| CAG only, % (n) | 70.2 (283/403) | 77.1 (307/398) | 0.03 |
| PCI, % (n) | 29.8 (120/403) | 22.9 (91/398) | |
| Multi-vessel disease, % (n) | 20.8 (84/403) | 13.3 (53/398) | 0.08 |
| Number of implanted stents, % (n) | 26.1 (105/403) | 19.8 (79/398) | 0.88 |
| Drug balloon, % (n) | 3.5 (14/403) | 3.8 (15/398) | 0.82 |
| IVUS, % (n) | 2.2 (9/403) | 2.3 (9/398) | 0.98 |
| FFR, % (n) | 0.2 (1/403) | 0.0 (0/398) | 1.00 |
| CAD, % (n) | 54.6 (220/403) | 50.8 (202/398) | 0.28 |
| ACS, % (n) | 23.1 (93/403) | 18.3 (73/398) | 0.10 |
| Sheath size | |||
| 6Fr, % (n) | 99.0 (399/403) | 100.0 (398/398) | 0.12 |
| 7Fr, % (n) | 1.0 (4/403) | 0.0 (0/398) | |
| PTCA wire assistant, % (n) | 0.2 (1/403) | 2.8 (11/398) | < 0.01 |
| AF radiofrequency ablation, % (n) | 6.5 (26/403) | 5.5 (22/398) | 0.58 |
| Dosage of unfractionated heparin, U | 3000 (3000–4880) (403) | 3000 (3000–3000) (398) | 0.03 |
| Crossover site, % (n) | 2.2 (9/403) | 4.5 (18/398) | 0.11 |
| ipsilateral radial artery, % (n) | 0.0 (0/403) | 3.3 (13/398) | |
| ipsilateral distal radial artery, % (n) | 1.2 (5/403) | 0.0 (0/398) | |
| contralateral radial artery, % (n) | 0.5 (2/403) | 0.8 (3/398) | |
| contralateral distal radial artery, % (n) | 0.5 (2/403) | 0.5 (2/398) | |
| femoral artery, % (n) | 0.0 (0/403) | 0.0 (0/398) | |
Values are % (n/N) or median (IQR) (n)
TRA Transradial access, dTRA distal transradial access, CAG Coronary angiography, PCI Percutaneous coronary intervention, IVUS Intravenous ultrasound, FFR Fractional flow reserve, CAD Coronary artery disease, ACS Acute coronary syndrome, PTCA Percutaneous transluminal coronary angioplasty, AF Atrial fibrillation