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. Author manuscript; available in PMC: 2009 Jan 22.
Published in final edited form as: Stroke. 2007 Mar 1;38(4):1189–1196. doi: 10.1161/01.STR.0000260099.42744.b0

TABLE 4.

Large Vessel Atherosclerosis

TOAST Subtype
 Any Cerebrovascular
LVA*
LVA†
(n=93)		 No LVA
(n=339)		 Yes
(n=101)		 No
(n=331)		 Controls
(n=261)
IL1RN genotype
 White
  1/1 38 117 41 114 107
  1/2 31 91 35 87 78
  2/2 8 23 9 22 12
  Rare‡ 3 16 3 16 11
 Nonwhite
  1/1 12 72 12 72 42
  1/2 1 13 1 13 7
  2/2 0 3 0 3 1
  Rare‡ 0 4 0 4 3

LVA indicates large vessel atherosclerosis.

*

Any cerebrovascular LVA, LVA stroke, or history of endarterectomy, stent, or angioplasty of either carotid artery.

†

Stroke categorized as LVA using the TOAST classification system (15).

‡

Rare genotypes contain alleles 3, 4, or 5.