Table 1.
Demographic data and clinical risk factors of patients with ruptured and unruptured basilar tip aneurysms (N = 200).
| Variables | All patients N = 200 | Patients with ruptured aneurysms N = 73 | Patients with unruptured aneurysms N = 127 | P value |
|---|---|---|---|---|
| Age (SD) | 57.0 (11.0) | 56.6 (12.0) | 57.1 (10.5) | 0.75 |
| Female (%) | 151 (75.5) | 53 (72.6) | 98 (77.2) | 0.58 |
| Alcohol use (current) (%) | 94 (47.0) | 40 (54.8) | 54 (42.5) | 0.13 |
| Tobacco use (current) (%) | 80 (40.0) | 31 (42.5) | 49 (38.6) | 0.70 |
| Hypertension (%) | 107 (53.5) | 37 (50.7) | 70 (55.1) | 0.65 |
| Family history of SAH (%) | 23 (11.5) | 9 (12.3) | 14 (11.0) | 0.96 |
| Family history of aneurysms | 40 (20.0) | 14 (19.2) | 26 (20.5) | 0.97 |
SAH = subarachnoid hemorrhage.