Table 3.

Event rates for stroke attributed to extracranial internal carotid artery stenosis and occlusion^*

	Stenosis		Occlusion
	First-ever events	First-ever and recurrent events	First-ever events	First-ever and recurrent events
All	n=140	n=176	n=48	n=78
	10.7 (8.9, 12.5)	13.4 (11.4, 15.4)	3.7 (2.6,4.8)	6.0 (4.6, 7.3)
Male	n=70	n=87	n=26	n=45
	13.3 (10.1, 16.4)	16.5 (13.0, 20.0)	4.7 (2.8, 6.5)^	7.8 (5.5, 10.1)
Female	n=70	n=89	n=22	n=33
	8.8 (6.7, 10.9)	11.3 (8.9, 13.7)	2.9 (1.7, 4.1)^	4.4 (2.9, 5.9)
White	n=123	n=153	n=43	n=67
	10.8 (8.9, 12.7)	13.4 (11.3, 15.6)	3.8 (2.7, 5.0)	6.0 (4.6, 7.4)
Black	n=17	n=23	n=5	n=11
	10.2 (5.3, 15.0)^	13.6 (8.0, 19.2)^	2.8 (0.3, 5.3)^	6.1 (2.4, 9.7)^

^*Rate per 100,000 persons per year, adjusted to the 2000 United States population.

^{^}Small cell sizes (< 30) may produce unstable estimates.