The Egyptian Journal of Neurology, Psychiatry and Neurosurgery

Table 8 Percent of stenosis among both groups

From: Endovascular stenting of medically refractory intracranial arterial stenotic (ICAS) disease (clinical and sonographic study)

		Group				P	Sig
		Intervention		Medical
		N	%	N	%
Percent of stenosis (according to Zaho) before	Less than 70%	3	13.6	4	16.7	1.0**	NS
Percent of stenosis (according to Zaho) before	More than 70%	19	86.4	20	83.3	1.0**	NS
Percent of stenosis (according to Zaho) after	Within normal	11	64.7	0	.0	.001**	HS
	Less than 70%	5	29.4	3	14.3
	More than 70%	1	5.9	18	85.7

**Fisher’s exact test

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