Figure 2From: Long-term outcome of vertebral artery origin stenosis in patients with acute ischemic stroke Long-term outcome of vertebral artery origin stenosis. The cumulative risk of posterior circulation ischemic stroke, all stroke, and the composite cardiovascular outcome of all patients (A), the asymptomatic stenosis group (B), and the symptomatic stenosis group (C) were plotted using Kaplan-Meier curves.Back to article page