Table 1.
Baseline patient characteristics
| Variable | All patients (n=81) | Non-AF (n=57) | AF (n=24) | p Value |
| Preoperative data | ||||
| Age (years) | 62 (8) | 60.7 (8.8) | 67 (6) | 0.007 |
| Heart rate (beats/min) | 61 (12) | 62 (12) | 59 (13) | 0.15 |
| Male sex | 72 (89%) | 50 (88%) | 22 (92%) | 0.72 |
| LVEF (%) | 55 (16) | 55 (15) | 56 (18) | 0.76 |
| Left atrial size (cm) | 4.0 (0.7) | 3.9( 0.7) | 4.1 (0.7) | 0.17 |
| Preoperative medication | ||||
| β Blocker stopped on day of surgery | 19 (23%) | 15 (26%) | 4 (17%) | 0.28 |
| β Blocker continued | 31 (38%) | 20 (35%) | 11 (46%) | 0.28 |
| Calcium antagonist | 38 (47%) | 29 (51%) | 9 (38%) | 0.27 |
| Nitrates | 36 (44%) | 21 (37%) | 15 (63%) | 0.03 |
| Statin | 67 (83%) | 45 (79%) | 22 (92%) | 0.21 |
| ACEI | 14 (17%) | 12 (21%) | 2 (8%) | 0.21 |
| Medical history | ||||
| COPD | 2 (2%) | 1 (2%) | 1 (4%) | 0.51 |
| Diabetes | 10 (12%) | 6 (11%) | 4 (17%) | 0.47 |
| Hypertension | 34 (42%) | 25 (44%) | 9 (38%) | 0.60 |
| Myocardial infarction | 28 (35%) | 20 (35%) | 8 (33%) | 0.88 |
| Perioperative data | ||||
| Number of vessels grafted | 3.1 (0.8) | 3.1 (0.8) | 3.0 (0.9) | 0.97 |
| LIMA | 77 (85%) | 56 (89%) | 21 (75%) | 0.08 |
| RIMA | 1 (1%) | 1 (2%) | 0 | 1.00 |
| Radial | 2 (2%) | 2 (4%) | 0 | 1.00 |
| Aortic cross clamp time (min) | 39 (43) | 38 (40) | 43 (50) | 0.61 |
| Bypass pump time (min) | 68 (29) | 65 (26) | 74 (35) | 0.29 |
Data are mean (SD) unless otherwise indicated.
ACEI, angiotensin converting enzyme inhibitor; AF, atrial fibrillation; COPD, chronic obstructive pulmonary disease; LIMA, left internal mammary artery; LVEF, left ventricular ejection fraction; RIMA, right internal mammary artery.