Tyler Elliott

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The establishment of 60% or greater diameter stenosis by Doppler ultrasound is an eligibility requirement of the Asymptomatic Carotid Atherosclerosis Study (ACAS). We used a uniform statistical approach for each of 30 Doppler devices to establish a cutpoint for the peak systolic flow to insure a positive predictive value of 90% in predicting a 60%+ stenosis(More)
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