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Table 3: Factors impacting branch vessel patency—entire cohort^{^a}
Patent Branch Vessel Occluded Branch Vessel Univariate P Value Multivariate P Value OR (95% CI)
Mean patient age (yr) 54.4 ± 12.2 59.3 ± 10.2 .04 .179 1.03 (0.99–1.07)
Male 26 (13.8%) 4 (13.8%) .996 
Acutely ruptured target lesion 7/188 (3.7%) 1/29 (3%) .942 
Mean max aneurysm sac size 5.6 ± 3.8 4.2 ± 2.3 .067 .117 0.87 (0.73–1.04)
Mean aneurysm neck size 3.4 ± 1.7 3.0 ± 1.2 .139 
Mean procedural time (min) 206 ± 66 214 ± 60 .513 
Mean fluoroscopy time (min) 64 ± 36 62 ± 27 .764 
>1 PED deployed 17/188 (9.0%) 1/29 (3.4%) .309 
% PED classic 107/125 (86%) 18/29 (62.1%) .601 
Balloon angioplasty 13/188 (7%) 1/29 (7%) .479 
Mean PED diameter (mm) 4.0 ± 0.5 3.5 ± 0.5 <0.001 .001 0.16 (0.06–0.45)
Mean Δmax size of parent vessel and PED 0.22 ± 0.19 0.26 ± 0.26 .405 
Mean Δmin size of parent vessel and PED 0.77 ± 0.41 0.67 ± 0.40 .230 
Branch vessel incorporation into aneurysm sac 52/188 (28%) 9/29 (31%) .707 
Mean periprocedural P2Y12 127 ± 68 122 ± 80 .379 
Intraprocedural administration of abciximab 17/188 (9.0%) 3/29 (10.3%) .821 
Presence of endothelial hyperplasia 43/185 (23%) 10/29 (34%) .192 
Mean length of DSA follow-up (mo) 18.3 ± 9.9 20.1 ± 8.8 .351 
A1 ACA 7/11 (63.6%) 4/11 (36.3%) .021 .813 1.29 (0.16–10.56)
Anterior choroidal artery 30/31 (96.8%) 1/31 (3.2%) .073 .092 0.10 (0.01–1.46)
PcomA 26/39 (66.6%) 13/39 (33.3%) <.001 .205 3.26 (0.52–20.28)
Ophthalmic artery 118/125 (94%) 8/125 (6%) <.001 0.449 0.49 (0.08–3.07)
Note:—ACA indicates anterior cerebral artery; max, maximum; min, minimum; PcomA, posterior communicating artery.
↵a Percentages reflect analysis per branch vessel.