Table 1:

Subject Demographics and Stroke Characteristics

Characteristic			N=621
Age in years – mean (stdv)			66.0 (16.3)
Male Sex – n (%)			364 (58.6%)
Race – n (%)	White		382 (61.5%)
	Black/African American		139 (22.4%)
	Native Hawaiian/Pacific Islander		2 (0.3%)
	Asian		18 (2.9%)
	American Indian/Alaskan Native		3 (0.5%)
	Unable to Determine		77 (12.4%)
Ethnicity – n (%)	Hispanic		80 (12.9%)
NIH Stroke Scale Score upon Admission – mean (stdv); median (IQR)			8.5 (8.4); 5 (2,14)
Patients Mode of Arrival to the ED*		EMS transport from home/scene	452 (72.8%)
		EMS transfer from another hospital	166 (26.7%)
		Private transport from home/scene	4 (0.6%)

Abbreviations: n - number subjects; stdv – standard deviation; IQR – interquartile range

^*Patients transferred from another hospital or arriving by private vehicle were excluded from modeling despite having associated prehospital run sheet.