Table 2.
Operative parameters
| Variable | Insured (n = 736) | Underinsured (n = 90) | P value |
|---|---|---|---|
| Nonelective case status | 190 (26%) | 50 (56%) | 0001 |
| Nonelective indication | .87 | ||
| Aortic dissection | 94 (49%) | 28 (56%) | |
| Symptomatic aneurysm/impending rupture | 49 (26%) | 11 (22%) | |
| Severe aortic insufficiency or stenosis | 19 (10%) | 6 (12%) | |
| Ruptured aneurysm | 12 (6%) | 1 (2%) | |
| Endocarditis | 8 (4%) | 2 (4%) | |
| Type I or III endoleak | 3 (2%) | 1 (2%) | |
| Unstable angina | 2 (1%) | 1 (2%) | |
| Other nonelective concomitant procedure | 3 (2%) | 0 | |
| Maximum aortic diameter, cm | |||
| Patients with acute dissection (n = 89, n = 25) | 5.3 (1.1) | 4.9 (0.8) | .13 |
| All other patients (n = 602, n = 58) | 5.9 (1.3) | 6.0 (1.7) | .69 |
| Segments of aorta repaired | |||
| Root | 168 (23%) | 26 (29%) | .20 |
| Ascending aorta | 229 (31%) | 26 (29%) | .66 |
| Arch | 378 (51%) | 46 (51%) | .97 |
| Descending aorta | 212 (29%) | 28 (31%) | .65 |
| Thoracoabdominal aorta | 85 (12%) | 8 (9%) | .45 |
| Redo sternotomy | 106 (14%) | 13 (14%) | .99 |
| Concomitant procedure | 206 (28%) | 27 (30%) | .69 |
| Use of thoracic endovascular aortic repair | 251 (34%) | 29 (32%) | .72 |
| Use of circulatory arrest | 349 (47%) | 45 (50%) | .64 |
| Crossclamp time (n = 409, n = 54) | 138.4 (47.2) | 130.9 (45.7) | .25 |
| Cardiopulmonary bypass time (n = 443, n = 59) | 214.4 (56.7) | 218.9 (71.9) | .93 |
Data are represented as mean (standard deviation) or number (percent).