1. Decline in the risk of carotid occlusion with more intensive medical therapy.
Decline in the risk of carotid occlusion with more intensive medical therapy. Among 3681 patients in the database, the percentage of patients who progressed to occlusion was much higher before 2002; the frequency decreased markedly after implementation in 2002–2003 of more intensive therapy based on plaque measurements. Error bars indicate 95% CI (reproduced by permission of the American Medical Association from: Yang et al).46
J David Spence et al. Stroke Vasc Neurol 2016;svn
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