Outcomes in the propensity score matched cohort.
| Outcome | Total | Technique at the second attempt | OR (95% CI) | P value | |
| n=490 | Same, n=245 | Alternative, n=245 | |||
| Primary | |||||
| Successful recanalization at second attempt | 218 (44.5%) | 94 (38.4%) | 124 (50.6%) | 1.32 (1.08 to 1.61) | 0.006 |
| Secondary | |||||
| 90-day modified Rankin Scale score 0–2 | 176 (35.9%) | 74 (30.2%) | 102 (41.6%) | 1.38 (1.08 to 1.75) | 0.008 |
| 90-day mortality | 127 (25.9%) | 74 (30.2%) | 53 (21.6%) | 0.72 (0.53 to 0.97) | 0.03 |
| TICI 3 at second attempt | 179 (36.5%) | 88 (35.9%) | 91 (37.1%) | 1.03 (0.82 to 1.31) | 0.778 |
| Safety | |||||
| Vessel perforation | 4 (1%) | 4 (2%) | 1 (1%) | 0.60 (0.1 to 4.6) | 0.562 |
| Vessel dissection | 12 (2.5%) | 7 (3%) | 5 (2%) | 0.71 (0.25 to 2.4) | 0.559 |
| Any intracranial hemorrhage | 155 (32.0%) | 83 (34.3%) | 72 (29.8%) | 0.87 (0.67 to 1.13) | 0.28 |
| Symptomatic intracranial hemorrhage | 61 (12.7%); n=480 | 33 (13.6%); n=243 | 28 (11.8%); n=237 | 0.87 (0.54 to 1.39) | 0.56 |
TICI, Thrombolysis in Cerebral Ischemia.