External validations of the ABCD2 score in prediction of stroke risk after transient ischemic attack. A Tunisian hospital-based cohort study.

Background And Purpose: Identification of patients with high risk of stroke after transient ischemic attack (TIA) could be helpful to optimize stroke prevention. We aimed to externally validate the ABCD2 score for the prediction of stroke after TIA in a Tunisian population.

Methods: We conducted a retrospective observational study of consecutive patients admitted for TIA in four university hospitals in Tunisia.