Table 4.
Predictors of incomplete occlusion of fusiform aneurysms treated with PEDs.
| Parameter | Univariate analysis* | Multivariate analysis | ||
|---|---|---|---|---|
| OR (95% CI) | P-value | OR (95% CI) | P-value | |
| AC vs. PC | 5.881 (1.909–18.114) | 0.002 | 8.979 (2.337–34.504) | 0.001 |
| PED-only vs. PED + coils | 2.667 (0.682–10.428) | 0.159 | 4.133 (0.760–22.471) | 0.101 |
| Artery from aneurysms | 3.727 (1.194–11.639) | 0.024 | 8.655 (1.830–40.923) | 0.006 |
| OKM1,2 vs. OKM 3 | 2.250 (0.781–6.485) | 0.133 | 2.782 (0.695–11.133) | 0.148 |
| LRF (m) <6.7 | 0.755 (0.267–2.139) | 0.597 | 0.465 (0.122–1.769) | 0.261 |
AC, anterior circulation; PC, posterior circulation; PED, pipeline embolization device; OKM, O'Kelly–Marotta grading scale; LRF, last radiographic follow-up; m, month.
*
Also entered in the univariate analysis but not significant: sex, smoking, presenting symptoms, maximum aneurysm diameter, aneurysm neck, number of PEDs.