Table 3.

Associations of patient characteristics and hospital care at initial TIA diagnosis.

Variable (reference group)	Odds Ratio (95% CI)	p-value
Sex (female)
Male	1.00 (0.99, 1.01)	0.99
Age group (<50 years)
50-64 years	1.09 (1.07, 1.11)	<0.01
≥65 years	1.02 (1.00, 1.03)	0.06
Race (White)
Black or African American	1.28 (1.24, 1.32)	<0.01
Asian and others	0.74 (0.65, 0.84)	<0.01
Unknown	0.97 (0.95, 0.99)	<0.01
Ethnicity (non-Hispanic)
Hispanic	1.13 (1.09, 1.18)	<0.01
Unknown	1.01 (0.99, 1.03)	0.28
Geographical region (Northeast)
West	0.88 (0.86, 0.90)	<0.01
Midwest	1.33 (1.30, 1.35)	<0.01
South	1.20 (1.18, 1.22)	<0.01
Unknown	1.07 (1.05, 1.09)	<0.01
History of stroke (no)
Yes	1.02 (1.00, 1.04)	0.02

Abbreviations: CI, confidence interval.