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. Author manuscript; available in PMC: 2011 Mar 1.
Published in final edited form as: J Stroke Cerebrovasc Dis. 2010 Mar;19(2):153–162. doi: 10.1016/j.jstrokecerebrovasdis.2010.01.001

Figure 2.

Figure 2

Kaplan-Meier analyses showing the composite outcome of death, stroke, and myocardial infarction for asymptomatic (n=1,151) and symptomatic (n=414) patients. At 12 months, the event rates were 5.4% vs 7.2%, respectively (P=.22). Difference in event rates between symptomatic and asymptomatic patients and between age strata was tested assuming normality of the estimated even rates for both groups using a standard linear contrast.