Intraoperative data
| On-X group, n=33 | St Jude Medical valve group, n=33 | p Value | |
| Operation, n (%) | 0.097 | ||
| Isolated AVR | 19 (57.6) | 17 (51.5) | |
| AVR+CABG | 3 (9.1) | 10 (30.3) | |
| AVR+Mitral valve surgery | 4 (12.1) | 5 (15.2) | |
| Redo AVR | 3 (9.1) | 0 (0) | |
| AVR+2 other valvular surgeries | 2 (6.1) | 1 (3.0) | |
| AVR+ another cardiac operation | 2 (6.1) | 0 (0) | |
| Cardiopulmonary bypass time, median (range)* | 76.0 (33–127) | 72.0 (36–141) | 0.824 |
| Cross clamp time, median (range)* | 61.0 (27–104) | 57.0 (27–112) | 0.975 |
*In patients with isolated AVR only.
AVR, aortic valve replacement; CABG, coronary artery bypass grafting.