CTA Study of Ruptured Aneurysms of the Posterior Communicating Artery

Table 1

Aneurysm data.

AN side	Left	33 (52.4%, 33/63)
	Right	30 (47.6%, 30/63)
Direction of AN projection	Posterior	43 (68.3%, 43/63)
	Lateral	20 (31.7%, 20/63)
Associated ANs	No	55 (87.3%, 55/63)
	Yes	8 (12.7%, 8/63)
AN size	Height	mm (range, 1.1-13.6 mm)
	Width	mm (range, 1.0-13.7 mm)
AN neck width	mm (range, 1.7-12.4 mm)

In this table, a paired test was used to evaluate the difference between the height and width of the aneurysm. Abbreviations: AN: aneurysm.