Table 2.
Univariate analysis of factors associated with repeat AUS surgery (any cause).
| Factor | HR | 95% CI | p-Value |
|---|---|---|---|
| Age at AUS (first failure) | 1.00 | 0.99–1.02 | 0.83 |
| Age at AUS (second failure) | 0.99 | 0.98–1.02 | 0.70 |
| BMI (first failure) | 0.98 | 0.95–1.02 | 0.31 |
| BMI (secondary failure) | 1.02 | 0.95–1.09 | 0.63 |
| Hypertension (first failure) | 1.07 | 0.78–1.42 | 0.72 |
| Hypertension (secondary failure) | 1.32 | 0.75–2.32 | 0.34 |
| Diabetes mellitus (first failure) | 0.99 | 0.64–1.55 | 0.97 |
| Diabetes mellitus (secondary failure) | 1.19 | 0.45–3.12 | 0.73 |
| CAD (first failure) | 1.23 | 0.89–1.71 | 0.21 |
| CAD (secondary failure) | 1.54 | 0.84–2.84 | 0.17 |
| MI (first failure) | 1.64 | 1.02–2.64 | 0.04 |
| MI (secondary failure) | 0.49 | 0.14–1.70 | 0.26 |
| PVD (first failure) | 1.35 | 0.76–2.39 | 0.31 |
| PVD (secondary failure) | 0.98 | 0.29–3.29 | 0.97 |
| Radiation (first failure) | 1.30 | 1.00–1.69 | 0.05 |
| Radiation (secondary failure) | 1.00 | 0.60–1.69 | 0.99 |
| Current smoker (first failure) | 0.90 | 0.40–2.07 | 0.81 |
| Current smoker (second failure) | 0.49 | 0.11–2.15 | 0.34 |
| Radical prostatectomy (first failure) | 0.84 | 0.63–1.13 | 0.26 |
| Radical prostatectomy (secondary failure) | 1.01 | 0.57–1.79 | 0.98 |
| Prior vesicourethral anastomotic stenosis (first failure) | 0.81 | 0.57–1.15 | 0.23 |
| Prior vesicourethral anastomotic stenosis (second failure) | 0.56 | 0.28–1.12 | 0.10 |
AUS, artificial urinary sphincter; BMI, body mass index; CAD, coronary artery disease; CI, confidence interval; MI, myocardial infarction; PVD, peripheral vascular disease.