Research Paper Volume 13, Issue 10 pp 13680—13692
Design and validation of a recognition instrument—the stroke aid for emergency scale—to predict large vessel occlusion stroke
Figure 1. Flowchart of the study population. AIS: acute ischemic stroke; NIHSS, National Institutes of Health Stroke Scale; CTA: CT angiography; TOF-MRA: time-of-flight magnetic resonance angiography; AC: anterior circulation; PC: posterior circulation.