EMS: Emergency Medical Services; NIHSS: National Institutes of Health Stroke Scale; IV: intravenous; ED: emergency department; TIA: transient ischemic attack. †Reported only for those patients who received IV thrombolytics. Chi-square or Fisher’s exact test for categorical variables. Chi-square test for each variable within the EMS Stroke Scale. Mann–Whitney test for nonparametric ordinal data (i.e., NIHSS).