CTA Study of Ruptured Aneurysms of the Posterior Communicating Artery

Table 4

Statistical analysis among the left and right normal ICAs and the control group.

Parameter	Groups	Range (mm)	Mean (mm)	value
Intradural ICA diameter at origin	Normal L (30)	2.6-5.2		0.3284
	Normal R (30)	2.6-5.6
	Control group (63)	2.5-5.7
ICA diameter at termination	Normal L (30)	1.7-4.0		0.4823
	Normal R (30)	2.1-4.3
	Control (63)	2.0-4.7
Intradural ICA length	Normal L (30)	11.7-25.7		0.2674
	Normal R (30)	11.9-29.9
	Control (63)	11.5-28.7

In this table, ordinary one-way ANOVA was used. Abbreviations: ICA: internal carotid artery; L: left; R: right.