Description of the patient population
| ICA | MCA | AcomA/PcomA/Post | Total | ||||
|---|---|---|---|---|---|---|---|
| ICA Cavernous | ICA | AcomA | PcomA | Posterior Circulation | |||
| Age (years ± SD) | 58 ± 12 | 59 ± 14 | 60 ± 10 | 58 ± 13 | 64 ± 11 | 61 ± 13 | 59 ± 13 |
| No. of patients | |||||||
| Hypertension | 21 | 40 | 18 | 23 | 11 | 25 | 138 |
| Smoking | 22 | 44 | 10 | 25 | 6 | 17 | 124 |
| Earlier SAH | 3 | 1 | 1 | 7 | 0 | 3 | 15 |
| IA multiplicity | 10 | 41 | 6 | 3 | 1 | 4 | 65 |
| Number of IAs | 51 | 111 | 41 | 46 | 15 | 47 | 311 |
| Total No. of patients (% of entire population) | 40 (16%) | 86 (34%) | 31 (12%) | 37 (15%) | 12 (5%) | 45 (18%) | 251 |