Fig 1.
Flow of patients to categorization of acute vascular abnormality on CTA and subsequent temporal separation of cases into a training and validation cohort.
Table 1.
Demographic and characteristics of cases with and without acute vascular pathology.
Table 2.
List of features, summarized into clinical categories.
Table 3.
NIHSS and decision rule performance.
Fig 2.
Visualization of a potential decision rule to exclude acute vascular pathology in adult ED patients with chief complaint of dizziness.
Clinical criteria are grouped into closely related categories. Further development and validation are needed prior to application in clinical contexts.