Adequate occlusion and aneurysm remnant at midterm follow-up relating to anatomic and therapeutic factors
| Adequate Occlusion | Aneurysm Remnant | P Value | ||||
|---|---|---|---|---|---|---|
| No. | % (95% CI) | No. | % (95% CI) | |||
| Location | ICA (143) | 108 | 75.5 (67.6–82.3) | 35 | 24.5 (17.7–32.4) | .049 |
| ACA/AcomA (262) | 220 | 84.0 (79.0–88.2) | 42 | 16.0 (11.8–21.1) | .087 | |
| MCA (68) | 53 | 77.9 (66.2–87.1) | 15 | 22.1 (12.9–33.8) | .484 | |
| VB (44) | 38 | 86.4 (72.6–94.8) | 6 | 13.6 (5.2–27.4) | .350 | |
| Aneurysm size | ≤10 (470) | 388 | 82.6 (78.8–85.9) | 82 | 17.4 (14.1–21.2) | .007 |
| >10 (47) | 31 | 66.0 (50.7–79.1) | 16 | 34.0 (20.9–49.3) | ||
| Neck size | ≤4 (451) | 374 | 82.9 (79.1–86.3) | 77 | 17.1 (13.7–20.9) | .005 |
| >4 (66) | 45 | 68.2 (56.6–79.1) | 21 | 31.8 (20.9–44.4) | ||
| Dome-to-neck | ≤1.5 (216) | 173 | 80.1 (74.1–85.2) | 43 | 19.9 (14.8–25.9) | .640 |
| >1.5 (301) | 246 | 81.7 (76.9–85.9) | 55 | 18.3 (14.1–23.1) | ||
| Type of treatment | Coiling (407) | 325 | 79.9 (75.6–83.7) | 82 | 20.1 (16.4–24.4) | .186 |
| Remodeling (110) | 94 | 85.5 (77.5–91.5) | 16 | 14.5 (8.5–22.6) | ||
| Type of coils | GDC (276) | 224 | 81.2 (76.0–85.6) | 52 | 18.8 (14.4–24.0) | .943 |
| Matrix (241) | 195 | 80.9 (75.4–85.7) | 46 | 19.1 (14.3–24.6) | ||
Note:—CI indicates confidence interval.