Table 3.

Logistic regression using “Ever Received IRH” as the outcome variable

Variables	P Value	Estimated Odds Ratio	95% Confidence Interval
All patients
Age	<.0001	0.97	0.97–0.98
Sex: female (reference: male)	<.0001	0.70	0.62–0.79
Hemorrhagic stroke (reference: ischemic stroke)	.0073	0.78	0.65–0.94
Acute care LOS	<.0001	1.14	1.12–1.15
KP service area (reference: capital)
Central CA*	–	–	–
East Bay	<.0001	1.90	1.55–2.33
Golden Gate	<.0001	1.74	1.42–2.13
North East Bay	<.0001	2.37	1.95–2.87
South Bay	.0040	1.34	1.10–1.64
With hemorrhagic stroke
Age	.0694	0.99	0.99–0.99
Sex	<.0001	0.50	0.37–0.68
Race/ethnicity (reference: white)
Asian	.0163	1.60	1.09–2.34
Black	.7288	0.91	0.53–1.57
Hispanic	.4879	1.21	0.70–2.10
Median household income (Reference: >$80,000)
0–$40,000	.0005	0.40	0.24–0.67
$40,000–$80,000	.0043	0.60	0.42–0.85
Acute care LOS	<.0001	1.10	1.10–1.10
KP service area (reference: capital)
Central CA*	–	–	–
East Bay	.0502	1.74	1.00–3.04
Golden Gate	.1899	1.44	0.84–2.46
North East Bay	.0011	2.39	1.42–4.04
South Bay	.9724	0.99	0.65–1.52
With ischemic strokes
Age	<.0001	0.97	0.96–0.97
Sex: female (reference: male)	<.0001	0.77	0.67–0.88
Acute care LOS	<.0001	1.17	1.15–1.19
KP service area (reference: capital)
Central CA*	–	–	–
East Bay	<.0001	1.79	1.43–2.24
Golden Gate	<.0001	1.66	1.33–2.07
North East Bay	<.0001	2.24	1.81–2.76
South Bay	.0040	1.41	1.12–1.78

^*No patient at KP Central CA region received IRH during the 1-year follow-up.