Total | Stent-Assisted | No Stent | P | |
---|---|---|---|---|
No. of aneurysms | 1815 | 323 | 1492 | – |
Age, y, mean ± SD | 50.5 ± 12.9 | 51.8 ± 11.5 | 50.3 ± 13.1 | .009 |
Ruptured aneurysm, n (%) | 767 (42.3) | 38 (11.8) | 729 (48.9) | <.0001 |
Female, n (%) | 986 (65.5) | 196 (68.8) | 790 (64.8) | .20 |
Location, n (%) | ||||
ICA | 647 (35.6) | 134 (41.5) | 513 (34.4) | .015 |
MCA | 489 (26.9) | 94 (29.1) | 395 (26.5) | .34 |
AcomA | 446 (24.6) | 49 (15.2) | 397 (26.6) | <.0001 |
Vertebrobasilar | 160 (8.8) | 42 (13.0) | 118 (7.9) | .003 |
Pericallosal | 59 (3.3) | 2 (0.6) | 57 (3.8) | .003 |
PCA | 14 (0.8) | 2 (0.6) | 12 (0.8) | .73 |
Aneurysm size, mm, mean ± SD | 7.1 ± 4.0 | 8.2 ± 4.7 | 6.8 ± 3.8 | <.0001 |
Neck size, mm, mean ± SD | 3.8 ± 1.9 | 5.0 ± 2.6 | 3.6 ± 1.6 | <.0001 |
Multiple, n (%) | 1078 (59.4) | 147 (45.5) | 931 (62.4) | .004 |
AVM-related, n (%) | 36 (2.0) | 2 (0.6) | 34 (2.3) | .052 |
No. of procedures | 1699 | 299 | 1400 | – |
No. of aneurysms treated in same EVT, n (%) | ||||
1 | 1591 (93.6) | 275 (92.0) | 1316 (94.0) | |
2 | 100 (5.9) | 24 (8.0) | 76 (5.4) | |
3 | 8 (0.5) | 0 | 8 (0.6) | |
Balloon-assisted, n (%) | 1017 (56.0) | 149 (46.1) | 868 (58.2) | <.0001 |
Packing density, %, mean ± SD | 26.8 ± 12.3 | 24.6 ± 11.1 | 27.3 ± 12.5 | <.0001 |
Note:—AcomA indicates anterior communicating artery; EVT, endovascular treatment; PCA, posterior cerebral artery.