Table 2.

Univariate and Multivariate Analyses of Factors Associated With Infection/Erosion After AUS Placement.

Variable	Univariate			Multivariate
				Past smoker			Current smoker
	HR	95% CI	p	HR	95% CI	p	HR	95% CI	p
Age	1.1	[1.0, 1.1]	.005	1.1	[1.0, 1.1]	.004	1.1	[1.0, 1.1]	.008
BMI	0.9	[0.8, 1.0]	.06
HTN	1.5	[0.9, 2.6]	.1
TIA	2.5	[1.1, 5.4]	.02	1.4	[0.6, 3.4]	.4
Diabetes	1.8	[1.1, 3.2]	.03	1.8	[1.0, 3.1]	.05
CAD	2.5	[1.5, 4.0]	.0002	1.8	[1.0, 3.0]	.04	2.2	[1.1, 4.4]	.2
Radiation	1.4	[0.8, 2.2]	.2
Current smoker	0.9	[0.3, 3.2]	.9				0.9	[0.3, 3.1]	.9
Past Smoker	1.1	[0.7, 1.8]	.8	1.0	[0.6, 1.6]	.9

Note. AUS = artificial urinary sphincter; HR = hazard ratio; CI = confidence interval; BMI = body mass index; HTN = hypertension; TIA = transient ischemic attack; CAD = coronary artery disease. bolded values are significant