Table 4

Statistical analysis: multivariate analysis

	Univariate analysis		Multivariate analysis
Dependent variable	Covariates	p Value	Significantly associated variables	p Value
Complete occlusion at end of procedure (grade I)	Localization (bifurcational vs wall side)	NS
	Size	<0.001	Size	<0.001
	Stent-assisted coiling	0.023	Stent-assisted coiling	0.024
	Gender	NS
	Age	0.017	Decreasing age	0.012
	Location (parent vessel)	NS
Adequate occlusion (grade I+II)	Localization (bifurcational vs wall side)	NS
	Size	0.002	Size	0.002
	Stent-assisted coiling	NS
	Gender	NS
	Age	0.024	Decreasing age	0.035
	Location (parent vessel)	NS
Complete occlusion after 6 months	Localization (bifurcational vs wall side)	NS
	Size	0.001	Size	0.011
	Stent-assisted coiling	0.044	Stent-assisted coiling	0.05
	Gender	NS
	Age	NS
	Location (parent vessel)	NS
	Complete occlusion at end of procedure	<0.001	Complete occlusion at end of procedure	<0.001
Major recurrences	Localization (bifurcational vs wall side)	NS
	Size	<0.001	Size	<0.001
	Stent-assisted coiling	NS
	Gender	NS
	Age	NS
	Location (parent vessel)	NS
	Complete occlusion at end of procedure	0.001	Complete occlusion at end of procedure	0.009
	Adequate occlusion at end of procedure	<0.001	Adequate occlusion at end of procedure	0.002
Intraprocedural complications	Localization (bifurcational vs wall side)	NS
	Size	NS
	Stent-assisted coiling	NS
	Gender	NS
	Age	<0.001	Increasing age	0.015
	Location (parent vessel)	0.002	Location (MCA)	0.016
	Complete occlusion at end of procedure	NS
	Adequate occlusion at end of procedure	NS
Hemorrhagic complications	Localization (bifurcational vs wall side)	0.024	Localization (bifurcational)	0.037
	Size	NS
	Stent-assisted coiling	NS
	Gender	NS
	Age	0.001	Increasing age	0.024
	Location (parent vessel)	NS
	Complete occlusion at end of procedure	NS
	Adequate occlusion at end of procedure	NS
Morbidity at discharge	Localization (bifurcational vs wall side)	NS
	Size	NS
	Stent-assisted coiling	NS
	Gender	NS
	Age	NS
	Location (parent vessel)	NS
	Complete occlusion at end of procedure	NS
	Adequate occlusion at end of procedure	NS
	Hemorrhagic complications	<0.001	Hemorrhagic complications	<0.001
	Ischemic complications	0.001	Ischemic complications	0.009
Mortality after 6 months	Localization (bifurcational vs wall side)	NS
	Size	NS
	Stent-assisted coiling	NS
	Gender	NS
	Age	NS
	Location (parent vessel)	NS
	Complete occlusion at end of procedure	NS
	Adequate occlusion at end of procedure	NS
	Hemorrhagic complications	<0.001	Hemorrhagic complications	<0.001
	Ischemic complications	NS

MCA, middle cerebral artery.