| Variable | Gp. A Elect. RR #8 | Gp. B Emerg. RR #10 | p value |
| MEAN AGE (YRS) | 49.6 ± 15.9 | 46.4 ± 9.5 | 0.6 |
| CAUCASIAN | 2(25.0%) | 4(40%0 | 0.638 |
| MALE GENDER | 8 (100.0%) | 8 (80.0%) | 0.477 |
| COCAINE USE | 0 | 2 (20.0%) | 0.477 |
| HTN | 5 (62.5%) | 6 (60.0%) | 1 |
| DM | 2 (25.0%) | 0 | 0.183 |
| COPD | 1 (12.5%) | 2 (20.0%) | 1 |
| CAD | 4 (50.0%) | 0 | 0.023 |
| PVD | 2 (25.0%) | 0 | 0.183 |
| ESRD | 0 | 1 (10.0%) | 1 |
| CURRENT SMOKER | 1 (12.5%) | 3 (30.0%) | 0.588 |
| MARFAN | 1 (12.5%) | 2 (20.0%) | 1 |
| ROOT ANEURYSM | 8 (100.0%) | 7 (70.0%) | 0.216 |
| MEAN RA SIZE (CM) | 6.1 | 5.9 | 0.806 |
| AORTIC RUPTURE | 0 | 2(20.0%) | 0.477 |