Evolution of aneurysm occlusion relating to anatomic and therapeutic factors
| Stable or Improved | Worsened | P Value | ||||
|---|---|---|---|---|---|---|
| No | % (95% CI) | No | % (95% CI) | |||
| Location | ICA (142) | 63 | 44.4 (36.0–52.9) | 79 | 55.6 (47.1–64.0) | .135 |
| ACA/AcomA (259) | 131 | 50.6 (44.3–56.8) | 128 | 49.4 (43.2–55.7) | .690 | |
| MCA (68) | 39 | 57.4 (44.8–69.3) | 29 | 42.6 (30.7–55.2) | .177 | |
| VB (44) | 22 | 50.0 (34.6–65.4) | 22 | 50.0 (34.6–65.4) | .968 | |
| Aneurysm size | ≤10 (467) | 236 | 50.5 (45.9–55.2) | 231 | 49.5 (44.8–54.1) | .234 |
| >10 (46) | 19 | 41.3 (27.0–56.8) | 27 | 58.7 (43.2–73.0) | ||
| Neck size | ≤4 (447) | 230 | 51.5 (46.7–56.2) | 217 | 48.5 (43.8–53.3) | .041 |
| >4 (66) | 25 | 37.9 (26.1–50.7) | 41 | 62.1 (49.3–73.8) | ||
| Dome-to-neck | ≤1.5 (215) | 107 | 49.8 (42.9–56.7) | 108 | 50.2 (43.3–57.1) | .982 |
| >1.5 (298) | 148 | 49.7 (43.8–55.5) | 150 | 50.3 (44.5–56.2) | ||
| Type of treatment | Coiling (404) | 203 | 50.2 (45.3–55.2) | 201 | 49.8 (44.8–54.7) | .638 |
| Remodeling (109) | 52 | 47.7 (38.1–57.5) | 57 | 52.3 (42.5–62.0) | ||
| Type of coils | GDC (272) | 133 | 48.9 (42.8–55.0) | 139 | 51.1 (45.0–57.2) | .696 |
| Matrix (241) | 122 | 50.6 (44.1–57.1) | 119 | 49.4 (42.9–55.9) | ||
Note:—CI, confidence interval.