Demographic features of patients
| Control (n = 21) | PED (n = 21) | P Value | |
|---|---|---|---|
| Age (mean) (yr) | 58.3 ± 18.6 | 51.0 ± 12.8 | .15 |
| Female | 19 (90.5%) | 18 (85.7%) | .63 |
| Hypertension | 13 (61.9%) | 9 (42.9%) | .22 |
| Diabetes mellitus | 1 (4.8%) | 1 (4.8%) | 1.00 |
| Previous SAH | 0 | 2 (9.5%) | .15 |
| Family history of intracranial aneurysm | 2 (9.5%) | 1 (4.8%) | .55 |
| Tobacco | .11 | ||
| Current | 2 (9.5%) | 7 (33.3%) | |
| Prior (<1 yr) | 4 (19.1%) | 5 (23.8%) | |
| No | 15 (71.4%) | 9 (42.9%) |