Table IV.

Independent preoperative predictors for in-hospital, post discharge and 30-day stroke or death

	In-hospital			Post discharge			30 – Day
	OR	95% CI	P-value	OR	95% CI	P-value	OR	95% CI	P-value
Female	1.1	0.9 – 1.3	0.4	1.4	1.1 – 1.7	<.01	1.2	1.03 – 1.4	0.02
Age < 60 a	1.1	0.9 – 1.6	0.2	1.4	0.96 – 1.9	0.09	1.3	1.01 – 1.6	0.05
Age > 80 a	1.4	1.1 – 1.8	0.01	1.3	0.9 – 1.9	0.09	1.4	1.1 – 1.7	<.01
Hx of stroke/hemiplegia	1.8	1.5 – 2.2	<.001	2.0	1.5 – 2.5	<.001	1.9	1.6 – 2.2	<.001
Hx of TIA	1.3	1.04 – 1.5	0.02	1.3	0.99 – 1.6	0.05	1.3	1.1 – 1.5	<.01
Hx of Angina/MI	1.9	1.4 – 2.7	<.001	1.6	1.1 – 2.6	0.03	1.8	1.4 – 2.4	<.001
Renal failure	2.1	1.3 – 3.4	<.01	3.2	1.9 – 5.5	<.001	2.5	1.7 – 3.6	<.001
Hx of COPD	1.2	0.9 – 1.5	0.3	1.8	1.4 – 2.4	<.001	1.4	1.2 – 1.7	<.01
Hx of PVD	1.5	1.1 – 2.0	<.01	1.3	0.9 – 1.9	0.1	1.4	1.2 – 1.8	<.001
Functional status, dependent b	2.2	1.7 – 2.9	<.001	1.6	1.2 – 2.4	<.01	2.0	1.6 – 2.5	<.001
Emergency procedure	2.7	1.8 – 3.9	<.001	0.6	0.2 – 1.5	0.3	1.9	1.3 – 2.7	<.01
ASA class > 3	1.6	1.3 – 2.0	<.001	1.3	0.99 – 1.8	0.06	1.5	1.3 – 1.8	<.001

OR, Odds Ratio, CI, Confidence Interval, Hx, history, TIA, transient ischemic attack, MI, myocardial infarction, COPD, chronic obstructive pulmonary disease, PVD, peripheral vascular disease, ASA, American Society of Anesthesiology

^avs. 60–70 yr

^bvs. independent