Table 3.

Final Logistic Regression Model for Death or Stroke at 30 days after carotid artery stenting. The optimism-adjusted C-statistic is 0.691. The associated Hosmer-Lemeshow p-value is 0.62. OR indicates odds ratio.

Variable	Adjusted-Beta	Adjusted-OR	95% CI for Adjusted-OR	p-value
Age (per 10 years)	0.417	1.520	1.32-1.81	<0.001
Stroke	0.731	2.080	1.55-2.75	<0.001
Transient ischemic attack	0.534	1.710	1.24-2.22	0.001
Myocardial infarcation within 4weeks	1.025	2.790	1.34-5.82	0.006
Dialysis	0.986	2.680	1.34-6.01	0.007
Need for concomitant cardiac surgery plus carotid revascularization	0.772	2.160	1.27-3.77	0.005
Left-sided lesion	-0.385	0.680	0.51-0.89	0.006
Lesion length (per 10 mm)	0.183	1.200	1.03-1.33	0.012
Type II or Type III aortic arch	0.291	1.240	1.02-1.49	0.035
Two 90-degree bends	0.463	1.590	1.17-2.21	0.004
Constant	-7.350