Population
450 neurologists surveyed, with a 36% response rate.
Design
Cross-sectional
Authors
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Regional differences in asymptomatic carotid stenosis referral should not yet change practice; leaves open drivers of US-Canadian variation.
There are significant regional and international differences in how neurologists evaluate and manage asymptomatic carotid stenosis, with U.S. neurologists more likely to refer for surgery and cite medicolegal concerns.
Chaturvedi et al. (2000) studied this question.
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