Table I.
Baseline Characteristics of Patients with Abdominal Aortic Aneurysms undergoing EVAR (Percutaneous vs. Cutdown)
| Variable | Percutaneous (n=1108) | Cutdown (n=3004) | P Value | Total Cohort (n=4112) |
|---|---|---|---|---|
| Male gender | 81% | 81% | 0.10 | 82% |
| Race or ethnic group * | <.01 | |||
| Other/Unknown | 5.1% | 6.8% | 6.3% | |
| White | 84% | 87% | 86% | |
| Black | 7.0% | 4.1% | 4.9% | |
| American Indian/Alaska Native | 0% | 0.1% | 0.1% | |
| Native Hawaiian/Pacific Islander | 0.2% | 0% | 0.1% | |
| Asian | 4.2% | 1.7% | 2.4% | |
|
| ||||
| Age (mean) | 74 | 74 | 0.08 | 74.1 |
| Age Category (years) | 0.10 | |||
| 18–59 | 6.1% | 5.1% | 5.3% | |
| 60–69 | 25% | 23% | 23% | |
| 70–79 | 42% | 42% | 42% | |
| 80–89 | 25% | 29% | 28% | |
| 90+ | 1.7% | 1.5% | 1.6% | |
|
| ||||
| Prior Open Abdominal Surgery | 22% | 25% | 0.07 | 24% |
| ASA 4 Classification | 21% | 22% | 0.23 | 22% |
| Aneurysm diameter (cm) | 5.7 | 5.7 | 0.82 | 5.7 |
| Coexisting conditions | ||||
| Congestive heart failure | 2.4% | 1.5% | 0.04 | 1.8% |
| Hypertension | 81% | 81% | 0.74 | 81% |
| Diabetes | 16% | 16% | 0.82 | 16% |
| History of severe COPD | 16% | 19% | 0.08 | 18% |
| Dialysis (pre-op) | 1.4% | 1.2% | 0.47 | 1.2% |
| Obesity | 30% | 33% | 0.07 | 32% |