Table 1.
Patient characteristics
| Predictora | All patients (n = 454) |
Patients without AF (n = 409) |
Patients with AF (n = 45) |
p Value |
|---|---|---|---|---|
| Demographic | ||||
| Mean age, year | 65.4 ± 8.8 | 65.0 ± 8.9 | 68.6 ± 6.8 | 0.008 |
| Male, n (%) | 369 (81.3) | 332 (81.2) | 37 (82.2) | 0.864 |
| BMI, kg/m2 | 25.6 ± 4.1 | 25.7 ± 4.2 | 24.7 ± 3.3 | 0.116 |
| Comorbidities | ||||
| Paroxysmal AF, n (%) | 45 (9.9) | 38 (8.8) | 7 (15.5) | 0.182 |
| CAD, n (%) | 56 (12.3) | 45 (11.0) | 11 (24.4) | 0.009 |
| Prior AMI, n (%) | 15 (3.3) | 12 (2.9) | 3 (6.7) | 0.178 |
| Hypertension, n (%) | 183 (40.3) | 161 (39.4) | 22 (48.9) | 0.216 |
| Diabetes, n (%) | 58 (12.8) | 53 (13.0) | 5 (11.1) | 0.999 |
| Dyslipidemia, n (%) | 71 (15.6) | 60 (14.7) | 11 (24.4) | 0.087 |
| Current smokers, n (%) | 182 (40.1) | 164 (40.1) | 18 (40.0) | 0.990 |
| PVD, n (%) | 115 (25.3) | 106 (25.9) | 9 (20.0) | 0.386 |
| CVA, n (%) | 19 (4.2) | 16 (3.9) | 3 (6.7) | 0.421 |
| Baseline biochemical data | ||||
| Creatinine, mg/dL | 1.0 ± 0.5 | 1.0 ± 0.4 | 1.2 ± 1.1 | 0.287 |
| Hb, g/dL | 13.8 ± 1.6 | 13.8 ± 1.5 | 13.6 ± 1.8 | 0.352 |
| Baseline respiratory data | ||||
| FEV1, % of predicted | 88.1 ± 21.9 | 88.2 ± 21.7 | 86.9 ± 24.1 | 0.716 |
| PaO2, mmHg | 94.5 ± 21.9 | 94.3 ± 20.9 | 96.3 ± 29.2 | 0.558 |
| Preoperative therapy | ||||
| β-blockers, n (%) | 36 (7.9) | 29 (7.1) | 7 (15.6) | 0.046 |
| Calcium antagonists, n (%) | 58 (12.8) | 51 (12.5) | 7 (15.6) | 0.556 |
| ACE-Inhibitors, n (%) | 67 (14.8) | 59 (14.4) | 8 (17.8) | 0.547 |
| ARBs, n (%) | 33 (7.3) | 29 (7.1) | 4 (8.9) | 0.659 |
| Statins, n (%) | 45 (9.9) | 39 (9.5) | 6 (13.3) | 0.429 |
| Neoadjuvant chemotherapy, n (%) | 30 (6.6) | 28 (6.8) | 2 (4.4) | 0.756 |
a For continuous variables, mean ± SD (standard deviation); for categorical variables, number (percent)
ACE angiotensin converting enzyme, AF atrial fibrillation, AMI acute myocardial infarction, ARB angiotensin receptor blocker, BMI body mass index, CAD coronary artery disease, CVA cerebrovascular accident, FEV1 forced expiratory volume in 1 second, Hb haemoglobin, PaO2 partial arterial oxygen pressure, PVD peripheral vascular disease