Characteristic | Radial† (n=206) | Femoral‡ (n=844) | P value |
Sex | |||
Female | 127 (62) | 498 (59) | 0.53 |
Mean age, years | 56±17 | 59±17 | 0.07 |
Procedure | <0.001 | ||
Diagnostic/vasospasm | 148 (72) | 522 (62) | |
Primary coil embolization of aneurysm | 19 (9) | 83 (10) | |
Flow-diverter device, stent for aneurysm | 16 (8) | 57 (7) | |
Thrombectomy, thrombolysis, carotid artery stent, stent for atherosclerosis/stroke | 9 (4) | 138 (16) | |
Embolization other than for aneurysm | 12 (6) | 42 (5) | |
Other treatment | 2 (1) | 2 (0.2) | |
Pathology | <0.001 | ||
Normal | 41 (20) | 112 (14) | |
Arteriovenous malformation/dural arteriovenous fistula | 36 (18) | 144 (17) | |
Aneurysm | 86 (42) | 306 (36) | |
Acute stroke | 2 (1) | 86 (10) | |
Atherosclerosis/chronic occlusion | 20 (10) | 113 (13) | |
Tumor | 3 (1.4) | 31 (4) | |
Vasospasm | 8 (4) | 24 (3) | |
Other | 10 (5) | 28 (3) | |
Sheath size, F | 0.004 | ||
5 | 139 (67) | 512 (61) | |
6 | 62 (30) | 194 (23) | |
7 | 4 (2) | 28 (3) | |
8 | 1 (0.5) | 110 (13) | |
Catheter size, F | 0.29 | ||
5 | 145 (70) | 565 (67) | |
6 | 59 (29) | 229 (27) | |
7 | 1 (0.5) | 19 (2) | |
8 | 1 (0.5) | 31 (4) |
Data are presented as number (%) unless otherwise noted.
* Data included 877 unique patients, 43 patients with both a femoral and radial procedure.
†Three patients crossed over from radial to femoral.
‡Eleven patients crossed over from femoral to radial.