Grade 1 applies if a disease was present and potentially causal. Grade 2 is applied if a disease is present but a causal link uncertain. Stoke etiology was regarded undetermined (U) in patients with n
Background Stroke recognition systems have been developed to reduce time delays, however, a comprehensive triaging score identifying stroke subtypes is needed to guide appropriate management. We aimed
Abbreviation: TIA, transient ischemic attack.1Incidence rates per 10,000 person years.2International Classification of Diseases (ICD-10) codes were I60–I66 and G45 for total stroke; I63, I65, I66, for