The TriAGe + score for vertigo or dizziness: A validation study in a university hospital emergency department in Hong Kong

•What is already known on this topic – Dizziness or vertigo is a common presenting complaint in the emergency department (ED). The TriAGe+ score can help identify patients who are at risk of stroke.•What this study adds – The TriAGe+ score is an efficient stroke prediction score for patients presenting to the ED with dizziness or vertigo.•How this study might affect research, practice or policy – The TriAGe+ score can be used to aid decision making on disposal of ED patients presenting with dizziness or vertigo.