Table 4: Open in new tab Multivariate...

Variable	OR	95.0% CI for OR	P-value
Risk factors for stroke^a
RAP	4.28	1.69	10.83	0.002
Smoke	2.63	1.05	6.55	0.03
Risk factors for delirium^b
RAP	3.51	2.07	5.93	0.0001
Dyslipidemia	1.77	1.09	2.87	0.02
Hypertension	1.63	0.97	2.76	0.05
Age >75	2.54	1.19	5.43	0.01

Variable	OR	95.0% CI for OR	P-value
Risk factors for stroke^a
RAP	4.28	1.69	10.83	0.002
Smoke	2.63	1.05	6.55	0.03
Risk factors for delirium^b
RAP	3.51	2.07	5.93	0.0001
Dyslipidemia	1.77	1.09	2.87	0.02
Hypertension	1.63	0.97	2.76	0.05
Age >75	2.54	1.19	5.43	0.01

Table 4:

Multivariate analysis of stroke and delirium

Variable	OR	95.0% CI for OR	P-value
			Lower	Upper
Risk factors for stroke^a
RAP	4.28	1.69	10.83	0.002
Smoke	2.63	1.05	6.55	0.03
Risk factors for delirium^b
RAP	3.51	2.07	5.93	0.0001
Dyslipidemia	1.77	1.09	2.87	0.02
Hypertension	1.63	0.97	2.76	0.05
Age >75	2.54	1.19	5.43	0.01

Variable	OR	95.0% CI for OR	P-value
			Lower	Upper
Risk factors for stroke^a
RAP	4.28	1.69	10.83	0.002
Smoke	2.63	1.05	6.55	0.03
Risk factors for delirium^b
RAP	3.51	2.07	5.93	0.0001
Dyslipidemia	1.77	1.09	2.87	0.02
Hypertension	1.63	0.97	2.76	0.05
Age >75	2.54	1.19	5.43	0.01

OR: odds ratio; CI: confidence interval; RAP: retrograde arterial perfusion.

^aThe C-statistics is 0.81 and the Hosmer–Lemeshow goodness-of-fit test is P = 0.63.

^bThe C-statistics is 0.79 and the Hosmer–Lemeshow goodness-of-fit test is P = 0.32.