Table 1:
Comparison of demographic, angiographic, and treatment characteristics between complete occluded and incomplete occluded aneurysmsa
| All Aneurysms (n = 99) | Complete Occlusion (n = 64) | Incomplete Occlusion (n = 20) | P Value | |
|---|---|---|---|---|
| Age (yr) (mean) | 54.1 (SD, 11.2) | 53.8 (SD, 10.8) | 54.3 (SD, 10.4) | .76 |
| Sex, M/F | 31 (31.3%)/68 (68.7%) | 18 (28.1%)/46 (71.9%) | 9 (45%)/11 (55%) | .26 |
| Follow-up (mo) (n = 84) | 23.9 (SD, 16.3) | 24.2 (SD, 15.0) | 22.9 (SD, 20.2) | .27 |
| Previous treatment | 45 (45.5%) | 28 (43.8%) | 13 (65%) | .16 |
| Aneurysm location | .62 | |||
| MCA | 44 (44.4%) | 25 (39.1%) | 12 (60%) | |
| AcomA | 27 (27.3%) | 20 (31.3%) | 5 (25%) | |
| A1 | 2 (2.0%) | 2 (3.1%) | 0 | |
| A2 | 2 (2.0%) | 2 (3.1%) | 0 | |
| Pericallosal | 24 (24.2%) | 15 (23.4%) | 3 (15%) | |
| Aneurysm size (mm) | ||||
| Neck | 3.9 (SD, 2.1) | 3.6 (SD, 2.1) | 4.3 (SD, 2.0) | .06 |
| Diameter | 6.1 (SD, 5.0) | 6.1 (SD, 5.7) | 6.5 (SD, 3.5) | .14 |
| Concomitant coiling | 15 (15.2%) | 9 (14.1%) | 2 (10%) | 1 |
| Flow-diverter stent | ||||
| Length (mm) | 16.9 (SD, 3.9) | 16.5 (SD, 3.8) | 18.2 (SD, 4.3) | .42 |
| Type | .004 | |||
| Nitinol | 47 (47.5%) | 26 (40.6%) | 16 (80%) | |
| Cobalt chromium | 52 (52.5%) | 38 (59.4%) | 4 (20%) | |
| Angle of parent artery | ||||
Initial angle 
| 124.1° (SD, 64.0°) | 118.3° (SD, 29.8°) | 122.7° (SD, 28.1°) | .58 |
Postdeployment angle 
| 141.6° (SD, 24.8°) | 146.0° (SD, 21.8°) | 135.9° (SD, 24°) | .12 |
Parent artery straightening 
| 3.8° (SD, 21.6°) | 27.7 (SD, 22.6) | 13.3° (SD, 12.3°) | <.001 |
Note:—AcomA indicates anterior communicating artery; A1, proximal segment of the anterior cerebral artery; A2, distal segment of the anterior cerebral artery.
↵a Data are presented as mean (standard deviation, SD) for continuous variables and absolute number (percentage of column total) for discrete variables.