Rates of disabling or fatal stroke and withdrawal or lost to follow-up
| SAMMPRIS trial | Disabling or fatal stroke within 30 days | Disabling or fatal stroke beyond 30 days | Rate of withdrawal or lost to follow-up |
| Medical group (n=227) | 4 (1.8%) | 14 (6.2%) | 24 (10.5%) |
| Stenting group (n=224) | 14 (6.2%) | 5 (2.2%) | 10 (4.4%) |