Table 1:

Studies Evaluating Outpatient Management Strategies for TIA/minor stroke

Study	Type of Study	Sample Size	Excluded Patients	Outcome	Findings
Early Use of Existing Strategies for Stroke (EXPRESS) Rothwell et al, 2007	Prospective Observational Pre-post	1278 (644 post)	-None (all TIA or stroke patients included in study)	90-day stroke risk	90-day stroke Rate of 2.1% compared to 10.3% before implementation
SOS-TIA Lavellée, 2013	Prospective Observational	1085	-persistent symptoms -	90-day stroke risk	90-day stroke risk of 1.24%
Ross et al. 2007	Randomized Control Trial	149	-persistent neurologic deficit -existing condition prohibiting reliable ED testing and outpatient follow-up	90-day stroke risk, length of stay 90-day total direct costs Return Visit Major Clinical Event	Lower 90-day total direct costs ($890 vs $1547) Shorter length of stay (26 v 61 hours) 12% return visits in both groups 4 major clinical events in both groups
Stead et al. 2009	Prospective Observational	418	-Patients with symptoms lasting >24 hours -acute ischemic/hemorrhagic stroke	48-hour and 7-day stroke risk	Risk of stroke of 0.96% at 48 hours and 1.2% at 7 days