Table III.
Multivariate Predictors of Overall Morbidity and Surgical Site Infections after Endovascular and Open AAA Repair NSQIP 2005–2007.
| A) Multivariate Predictors of Morbidity after Open and Endovascular AAA Repair | |||
|---|---|---|---|
| OR | 95% CI | P Value | |
| Age (per decade) | 1.1 | 1.1–1.2 | <.001 |
| Open Repair | 3.0 | 2.6–3.5 | <.001 |
| Chronic Steroid Use | 1.8 | 1.3–2.6 | <.001 |
| Renal Disease | 1.5 | 1.2–1.9 | <.001 |
| PVD with Prior Surgery | 1.6 | 1.2–2.1 | <.01 |
| Female Gender | 1.3 | 1.1–1.5 | <.01 |
| Cardiac Disease | 1.2 | 1.04–1.4 | <.05 |
| Weight Class (vs. Normal/Overweight:BMI 18.6–30kg/m2) | |||
| Underweight BMI < 18.6kg/m2 | 1.9 | 1.3–2.8 | <.01 |
| Obese I: BMI 30–35kg/m2 | 1.1 | 0.9–1.3 | .46 |
| Obese II: BMI 35–40kg/m2 | 1.2 | 0.9–1.6 | .30 |
| Morbid Obesity: BMI ≥ 40kg/m2 | 1.2 | 0.8–1.7 | .40 |
| B) Multivariate Predictors of Surgical Site Infection after Open and Endovascular AAA Repair | |||
|---|---|---|---|
| OR | 95% CI | P Value | |
| Age (per decade) | 1.0 | .9–1.1 | .47 |
| Open Repair | 1.7 | 1.2–2.4 | <.01 |
| Renal Disease | 1.9 | 1.2–3.0 | <.01 |
| Chronic Steroid Use | 2.0 | 1.01–3.9 | <.05 |
| Female Gender | 1.6 | 1.01–2.2 | <.05 |
| Weight Class (vs. Normal/Overweight:BMI 18.6–30kg/m2) | |||
| Underweight BMI < 18.6kg/m2 | 0.7 | 0.2–3.0 | .65 |
| Obese I: BMI 30–35kg/m2 | 2.1 | 1.4–3.2 | <.001 |
| Obese II: BMI 35–40kg/m2 | 2.0 | 1.1–3.8 | <.05 |
| Morbid Obesity: BMI ≥ 40kg/m2 | 5.2 | 3.1–8.8 | <.001 |
PVD Peripheral Vascular Disease
BMI Body Mass Index