Table 2:
Clinical outcome at 1 year (intent-to-treat analysis)
| Kuopio | ISAT | BRAT | |
|---|---|---|---|
| Outcome assessment 1 year | Single neurosurgeon | Postal questionnaire filled out by patients | Research nurse |
| Definition poor outcome | GOS | mRS 3–6 | mRS 3–6 |
| Poor outcome | |||
| Endovascular | 12/52 (23%) | 250/1063 (23.5%) | 46/198 (23%) |
| Surgery | 19/57 (33%) | 326/1055 (30.9%) | 69/205 (34%) |
| Death | |||
| Endovascular | 7/52 (13%) | 85/1063 (8.0%) | NA |
| Surgery | 9/57 (16%) | 105/1055 (9.9%) | NA |
| Rebleeding | |||
| Endovascular | |||
| Day 1–30 | 1 | 20 | 1a |
| Day 31–365 | 0 | 6 | 0 |
| >1 year | 0 | 10 | 0 |
| Surgery | |||
| Day 1–30 | 0 | 6 | 1 |
| Day 31–365 | 0 | 4 | 0 |
| >1 year | 0 | 3a | 0 |
| One-year follow-up complete | |||
| Endovascular | 100%b | 1063/1073 (99%) | 198/233 (85%) |
| Surgery | 1055/1070 (98.6%) | 205/238 (86%) |
Note:—mRS indicates modified Rankin scale; NA, not available.
a
Intent-to-treat analysis;
b
2 patients excluded after random assignment.