Safety Evaluation and Flow Modification in the Anterior Cerebral Artery after Pipeline Embolization Device Deployment across the Internal Carotid Artery Terminus

Table 2

Univariate and multivariate analyses of group 1 and group 2.

Characteristic	Univariate analysis			Multivariate analysis
	OR	95% CI	value	OR	95% CI	value
Single PED	2.566	0.693-9.502	0.158	0.717	0.098-5.263	0.744
IAO	0.196	0.056-0.687	0.011	0.228	0.028-1.840	0.165
Aneurysm size	1.099	0.977-1.235	0.114	1.143	0.990-1.320	0.068
Aneurysms at the ICAb	3.048	0.855-10.865	0.086	5.699	0.433-74.932	0.186
sPED/I-ICA	0.003	0.0001-0.286	0.012	0.0001	0.0001-0.164	0.013

PED: pipeline embolization device; IAO: incomplete aneurysm occlusion; ICAb: the internal carotid artery bifurcation; sPED: the PED size; I-ICA: ipsilateral internal carotid artery. Also entered in the univariate analysis but not significant: I-A1/I-ICA, I-M1/I-ICA, and I-A1/I-M1.