Table 1 Characteristics of patients with intracranial aneurysms and controls
From: Apolipoprotein E polymorphism and the risk of intracranial aneurysms in a Chinese population
| Â | Aneurysms | Controls | P |
|---|---|---|---|
Total No. | 150 | 150 | Â |
Gender (Male/Female) | 67/83 | 65/85 | 0.82 |
Age (years) | 46.7 ± 10.9 | 47.2 ± 11.2 | 0.70 |
Hypertension (Yes/No) | 53/97 | 49/101 | 0.63 |
Smoking (Yes/No) | 37/113 | 35/115 | 0.79 |
Drinking (Yes/No) | 31/119 | 30/120 | 0.89 |
Site of aneurysm (%) | |||
 ACA | 67(44.7) | / |  |
 ICA | 53(35.3) | / |  |
 MCA | 30(20.0) | / |  |
Shape of aneurysm (%) | |||
 Saccular | 119(79.3) | / |  |
 Fusiform | 24(16.0) | / |  |
 Dissecting | 7(4.7) | / |  |
Size of aneurysm (%) | |||
 Small (<15 mm) | 106(70.7) | / |  |
 Larger (15-25 mm) | 37(24.7) | / |  |
 Giant (>25 mm) | 7(4. 6) | / |  |
The Fisher Grade | Â | Â | Â |
 Grade 1 | 14(9.4) | / |  |
 Grade 2 | 74(49.3) | / |  |
 Grade 3 | 44(29.3) | / |  |
 Grade 4 | 18(12.0) | / |  |