Clinical characteristics of the patients and controls
| Patient | Control | |
|---|---|---|
| No. of cases (sides) | 29(31) | 15 |
| Mean age, y | 64.4±9.9 | 68.6±8.7 |
| Sex, M/F | 23/6 | 9/6 |
| Clinical diagnosis | ||
| ICA/MCA occlusive disease | 26(28) | |
| Unclippable cerebral aneurysm | 3(3) |
Note.—ICA indicates internal carotid artery; MCA, middle cerebral artery.