Summary of patient and procedural characteristics by access site
| Characteristics | All (n=51) | Radial (n=18) | Femoral (n=33) | P Values* |
| Age (mean±SD) | 78.3±12.1 | 79.9±12.2 | 77.5±12.1 | 0.502 |
| Male | 17 (33.3) | 7 (38.9) | 10 (30.3) | 0.534 |
| IV tPA bolus | 31 (60.8) | 13 (72.2) | 18 (54.5) | 0.217 |
| NIHSS score on presentation | 15.9±5.5 | 15.8±6.7 | 16.0±5.0 | 0.907 |
| Vessel occlusion location, n (%) | ||||
| MCA M1 | 27 (52.9) | 9 (50.0) | 18 (54.5) | 0.756 |
| MCA M2 or M3 | 17 (33.3) | 7 (38.9) | 10 (30.3) | 0.534 |
| ICA | 7 (13.7) | 2 (11.1) | 5 (15.2) | 1.000 |
| Poor ICA form | 42 (82.4) | 17 (94.4) | 25 (75.8) | 0.134 |
| Arch type, n (%) | ||||
| Bovine | 19 (37.3) | 6 (33.3) | 13 (39.4) | 0.669 |
| 1 | 4 (7.8) | 3 (16.7) | 1 (3.0) | 0.120 |
| 2 | 14 (27.5) | 4 (22.2) | 10 (30.3) | 0.744 |
| 3 | 33 (64.7) | 11 (61.1) | 22 (66.7) | 0.692 |
| IA tPA, n (%) | 25 (49.0) | 11 (61.1) | 14 (42.4) | 0.202 |
| No of passes (mean±SD) | 1.8±1.1 | 1.7±0.9 | 1.9±1.2 | 0.453 |
| First passes, n (%) | 28 (54.9) | 10 (55.6) | 18 (54.5) | 0.949 |
| Balloon guide catheter, n (%) | 37 (72.5) | 6 (33.3) | 31 (93.9) | <0.0001* |
| Mechanical aspiration, n (%) | 16 (31.4) | 6 (33.3) | 10 (30.3) | 0.824 |
| General anesthesia, n (%) | 21 (41.2) | 3 (16.7) | 18 (54.5) | 0.0160* |
*P value calculated between radial and femoral groups.
ICA, internal carotid artery; MCA, middle cerebral artery; NIHSS, National Institutes of Health Stroke Scale; tPA, tissue plasminogen activator.