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Randomized Controlled Trial
. 2010 Jul-Aug;19(4):321-5.
doi: 10.1016/j.jstrokecerebrovasdis.2009.05.008. Epub 2010 May 4.

Effect of sex on outcome after recurrent stroke in African Americans: results from the African American Antiplatelet Stroke Prevention Study

Fernando D Testai  1 , John F Cursio, Philip B Gorelick
Affiliations
Randomized Controlled Trial

Effect of sex on outcome after recurrent stroke in African Americans: results from the African American Antiplatelet Stroke Prevention Study

Fernando D Testai et al. J Stroke Cerebrovasc Dis. 2010 Jul-Aug.

Abstract

Background: Sex-related disparities in stroke have been previously reported. However, the influence of sex on the outcome of recurrent stroke in African Americans is less clear. Our objective was to investigate the effect of sex on the outcome of recurrent nonfatal stroke in the African American Antiplatelet Stroke Prevention Study (AAASPS).

Methods: The AAASPS is a double-blind, randomized, controlled trial of recurrent stroke prevention in African Americans. Participants (967 women and 842 men) with noncardioembolic ischemic stroke were assigned to receive ticlopidine or aspirin and were followed up for up to 2 years. The National Institutes of Health Stroke Scale (NIHSS) score, modified Barthel score (mBS), and Glasgow Outcome Scale (GOS) score were determined at enrollment, at prespecified times thereafter, and at the time of recurrent stroke. Survival analysis was used to test for a significant difference in the time to recurrent stroke between women and men.

Results: Of the total 1809 subjects enrolled in AAASPS, 186 (89 women and 97 men) experienced recurrent nonfatal stroke. At enrollment, the NIHSS score (2.87 for women and 3.00 for men; P=.73), the mBS (18.26 for women and 18.52 for men; P=.47) and the GOS score (1.49 for women and 1.51 for men; P=.86) were not significantly different. In follow-up and at the time of stroke recurrence, the NIHSS score, mBS, and GOS score were similar for both groups, except for the mBS at the 6-month visit, which was lower in women (18.49) than in men (19.37) (P=.02). In the survival analysis, no significant difference in the time to recurrent stroke was found between women and men (P=.69).

Conclusions: Although sex-related stroke disparities have been reported, in the AAASPS cohort outcomes for recurrent nonfatal noncardioembolic ischemic stroke for women were not significantly different than for men. Differences in study populations and methodologies may explain discrepancies in results from the various studies.

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Conflict of interest statement

Conflicts on Interest Disclosures: Conflict of interest: the authors have no conflict of interest in relation to this paper

Figures

Figure
Figure
Time to recurrent stroke in women (dotted line, n=89) and men (solid line, n=97)
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