Demographic characteristics
| All Patients (n = 310) | Patients with Coiling (n = 188) | Patients with Flow Diverters (n = 122) | P Value | |
|---|---|---|---|---|
| Mean age (SD) (yr) | 57.4 (20–83) | 57.9 (24–80) | 55.7 (23–80) | .10 |
| Female sex (No.) (%) | 249 (80.3%) | 145 (77.1%) | 104 (85.2%) | .01 |
| Mean (range) follow-up (mo) | 23.4 (1–67) | 24.5 (1–67) | 22.4 (1–61) | |
| No. of aneurysms | 318 | 196 | 122 | |
| Aneurysm location | <.0001 | |||
| Cavernous ICA | 27 (8.5%) | 1 (0.5%) | 26 (21.3%) | |
| Paraclinoid/supraclinoid ICA | 104 (32.7%) | 34 (17.3%) | 70 (57.4%) | |
| ICA terminus | 13 (4.1%) | 10 (5.1%) | 3 (2.5%) | |
| ICA PcomA | 36 (11.3%) | 24 (12.2%) | 12 (9.8%) | |
| MCA | 19 (6.0%) | 16 (8.2%) | 3 (2.5%) | |
| ACA/AcomA | 56 (17.6%) | 56 (28.6%) | 0 (0%) | |
| Vertebral artery | 2 (0.6%) | 1 (0.5%) | 1 (0.8%) | |
| Basilar artery | 37 (11.6%) | 35 (17.9%) | 2 (1.6%) | |
| PICA | 10 (3.21) | 7 (3.6%) | 3 (2.5%) | |
| Other | 14 (4.4%) | 12 (6.1%) | 2 (1.6%) | |
| Anterior circulation | 263 (82.7%) | 148 (75.5%) | 115 (94.3%) | |
| Posterior circulation | 55 (17.3%) | 48 (24.5%) | 7 (5.7%) | |
| Mean size (SD) | 8.7 (±6.3 mm) | 12.3 (±8.6 mm) | <.0001 | |
| Small (<5 mm) | 60 (18.9%) | 46 (23.5%) | 14 (11.5%) | |
| Medium (5–15 mm) | 207 (65.1%) | 131 (66.8%) | 76 (62.3%) | |
| Large (16–25 mm) | 26 (8.2%) | 11 (5.6%) | 15 (12.3%) | <.0001 |
| Giant (>25 mm) | 25 (7.9%) | 8 (4.1%) | 17 (13.9%) | <.0001 |
| Symptoms | ||||
| Asymptomatic | 249 (78.3%) | 159 (81.1%) | 90 (73.8%) | |
| Symptomatic | 69 (21.7%) | 37 (18.9%) | 32 (26.2%) | |
| Headaches | 35 (11.0%) | 21 (10.7%) | 14 (11.5%) | |
| Visual problems | 18 (5.7%) | 9 (4.6%) | 9 (7.4%) | |
| Aneurysm discovered incidentally | 210 (66.0%) | 144 (73.5%) | 66 (54.1%) |
Note:—PcomA indicates posterior communicating artery; AcomA, anterior communicating artery; ACA, anterior cerebral artery; PICA, posterior inferior cerebellar artery.