Table 2.
Comparisons of the laboratory and echocardiography data before surgery between Group A (patients with postoperative atrial fibrillation) and Group B (patients with no postoperative atrial fibrillation)*
| Laboratory Data | Group A (n=29) | Group B (n=127) | P |
|---|---|---|---|
| Magnesium (meq/l) | 2.06± 0.21 | 2.19±0.20 | 0.028 |
| Calcium (mg/dl) | 9.33±0.41 | 9.43±0.51 | 0.354 |
| CRP (mg/l) | 0.30 (0.08-0.49) | 0.28 (0.12-0.78) | 0.453 |
| Serum creatinine (mg/dl) | 1.00±0.36 | 1.00±0.28 | 0.781 |
| Triglycerides (mg/dl) | 120.50 (92.50-170.75) | 121.0 (97.50-156.00) | 0.975 |
| LDL (mg/dl) | 74.00 (55.00-94.25) | 81.00 (59.50-104.00) | 0.341 |
| HDL (mg/dl) | 36.77±11.68 | 35.27±7.81 | 0.538 |
| Total cholesterol (mg/dl) | 139.27±39.38 | 141.12±35.78 | 0.815 |
| WBC (WBC/µL) | 7935.86±1745.04 | 8466.39±1987.70 | 0.256 |
| Hemoglobin (g/dl) | 13.42±1.35 | 13.68±1.72 | 0.446 |
| TNT | 15.19 (11.50-52.37) | 14.49 (10.80-24.10) | 0.626 |
| CK-MB | 1.82 (1.19-2.95) | 1.91 (1.36-2.69) | 0.623 |
| Ejection fraction (%) | 52.70±10.34 | 54.73±9.32 | 0.463 |
| Left atrial size (mm) | 38.11±3.61 | 37.04±4.62 | 0.233 |
| Left ventricular end-systolic size (mm) | 32.20±6.71 | 32.60±7.14 | 0.325 |
| Left ventricular end-diastolic size (mm) | 47.96±6.64 | 45.60±7.71 | 0.266 |
CRP, C-reactive protein; LDL, Low-density lipoprotein; HDL, High-density lipoprotein; WBC, White blood cells; TNT, Troponin T; CK-MB, Creatine kinase MB
*
Data are presented as mean±SD, n (%), or median (IQR25-75%).