Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
| Characteristics | Cases | Controls |
|---|---|---|
| Total number | 103 | 107 |
| Mean age (range) | 60 (43–87) | 60 (20–85) |
| Women N (%) | 86 (83) | 43 (40) |
| FIA N (%) | 4 (4) | 0 (0) |
| History of smoking N (%) | 85 (83) | 83 (78) |
| Hypertension N (%) | 63 (61) | 30 (28) |
| Mean time from SAH to study (range) | 8 (2–23) | NA |
| Cases with additional aneurysms N (%) | 14 (14) | NA |
FIA indicates familial intracranial aneurysm, N: number, SAH: subarachnoid hemorrhage, NA: not applicable.
