| AF | n-AF | p value | |
| Atrial fibrillation | 73.8% | 33.1% | 0.001 |
| Previously known CAD | 16% | 46.8% | 0.001 |
| Preoperative evaluation for | |||
| Valve surgery | 70% | 36% | 0.001 |
| Female gender | 57% | 43% | 0.001 |
| Multiple other | |||
| Co-morbid conditions | 60% | 40% | 0.004 |
| Diabetes Mellitus | 33% | 47% | 0.004 |
| CHF | 43% | 61% | 0.001 |
| Presentation with ACS/Angina |