Table 2 Operative data
|  | Diabetes (N = 346) | Non-diabetes (N = 707) | p-value |
|---|---|---|---|
Minimally invasive | Â | Â | 0.218 |
 Mid-sternotomy | 286 (83%) | 611 (86%) |  |
 J-sternotomy | 50 (14%) | 76 (11%) |  |
 Right mini-thoracotomy | 10 (3%) | 20 (3%) |  |
Valve prosthesis | Â | Â | 0.084 |
 Biological | 317 (92%) | 621 (88%) |  |
 Mechanical | 29 (8%) | 86 (12%) |  |
Valve size | Â | Â | 0.237 |
 18 | 1 (0.3%) | 1 (0.1%) |  |
 19 | 24 (7%) | 58 (8.3%) |  |
 20 | 8 (2.3%) | 20 (2.9%) |  |
 21 | 120 (35.1%) | 232 (33.2%) |  |
 22 | 14 (4.1%) | 26 (3.7%) |  |
 23 | 97 (28.4%) | 148 (21.2%) |  |
 24 | 13 (3.8%) | 29 (4.1%) |  |
 25 | 37 (10.8%) | 125 (17.9%) |  |
 26 | 7 (2%) | 14 (2%) |  |
 27 | 16 (4.7%) | 38 (5.4%) |  |
 28 | 1 (0.3%) | 2 (0.3%) |  |
 29 | 4 (1.2%) | 5 (0.7%) |  |
 33 | 0 (0%) | 1 (0.1%) |  |
Cross-clamp time (min) | 63 ± 20 | 64 ± 45 | 0.761 |
Cardiopulmonary bypass time (min) | 115 ± 44 | 114 ± 44 | 0.715 |
Total operative time (min) | 229 ± 50 | 226 ± 48 | 0.361 |