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. Author manuscript; available in PMC: 2009 Sep 16.
Published in final edited form as: J Cereb Blood Flow Metab. 2008 Mar 5;28(6):1204–1211. doi: 10.1038/jcbfm.2008.11

Table 1.

Distribution of patient characteristics by genotype

CC 7 CT 37 TT 33 Significance p-value
Mean Age, yrs 57±12 54±11 54±12 0.832
Female Sex 5 (71%) 23 (62%) 21 (64%) 0.897
Medical History
Smokers 4 (57%) 24 (65%) 15 (46%) 0.263
Stimulant Use 0 4 (11%) 2 (6%) 0.549
Hypertension 4 (57%) 22 (60%) 21 (64%) 0.915
Diabetes Mellitus 1 (14%) 7 (19%) 1 (3%) 0.116
Relative with an
Aneurysm 1 (14%) 5 (14%) 8 (24%) 0.49
Ethnicity
 White 4 (57%) 19 (51%) 13 (39%) 0.483
 African American 0 3 (8%) 2 (6%)
 Hispanic 0 9 (24%) 10 (30%)
 Other or Unknown 3 (43%) 6 (16%) 8 (24%)
Hunt Hess
 1 1 (14%) 10 (27%) 9 (27%) 0.594
 2 3 (43%) 13 (35%) 8 (24%)
 3 3(43%) 8 (22%) 9 (27%)
 4 0 5 (13%) 3 (9%)
 5 0 1 (3%) 4 (12%)
Fisher Grade
 2 4 (57%) 20 (54%) 11 (33%) 0.313
 3 3 (43%) 14 (38%) 16 (49%)
 4 0 3 (8%) 6 (18%)
Interventions
 Clip 6 (86%) 23 (70%) 25 (83%) 0.371
 Coil 1 (14%) 10 (30%) 5 (17%)