Table 2.
Laboratory and operative variables.
| PoAF group (n=50) | PoAF(-) group (n=50) | P value* | |
|---|---|---|---|
| Hematocrit (%) | 39.37±5.53 | 41.16±4.69 | 0.244 | 
| White blood cell (103/µL) | 9.18±2.14 | 9.55±2.87 | 0.733 | 
| Platelet (103/µL) | 268.98±91.2 | 237.56±54.69 | 0.126 | 
| Red cell distribution width (%) | 13.76±1.13 | 13.98±1.25 | 0.456 | 
| Mean platelet volume (fL) | 8.91±0.98 | 8.66±0.86 | 0.208 | 
| BUN (mg/dL) | 18.04±7.71 | 17.78±7.39 | 0.803 | 
| Creatinine (mg/dL) | 0.88±0.21 | 0.89±0.32 | 0.545 | 
| Na (mEq/L) | 138.3±3.07 | 138.64±2.46 | 0.534 | 
| K (mEq/L) | 4.17±0.42 | 4.14±0.6 | 0.673 | 
| Ca (mg/dL) | 9.09±0.42 | 9.17±0.51 | 0.269 | 
| Mg (mg/dL) | 1.91±0.15 | 1.9±0.22 | 0.816 | 
| Free T3 (pg/mL) | 2.94±0.45 | 2.95±0.44 | 0.959 | 
| Free T4 (ng/dL) | 1.11±0.19 | 1.17±0.21 | 0.166 | 
| TSH (IU/mL) | 1.96±1.19 | 2.92±4.72 | 0.608 | 
| C reactive protein (mg/dL) | 14.73±23.40 | 12.7±19.09 | 0.871 | 
| Total cholesterol (mg/dl) | 202.5±33.41 | 197.92±39.96 | 0.536 | 
| LDL-C (mg/dL) | 128.11±29.44 | 119.37±33.57 | 0.596 | 
| HDL-C (mg/dL) | 43.38±8.36 | 41.55±8.43 | 0.316 | 
| TG (mg/dL) | 153.38±65.66 | 184.44±111.41 | 0.237 | 
| 25(OH) vitamin D (ng/mL) | 7.49±3.81 | 12.13±7.98 | 0.002 | 
| Ejection fraction (%) | 51.14±9.09 | 50.20±9.42 | 0.648 | 
| Left atrium diameter (mm) | 38.40±4.22 | 38.08±4.15 | 0.928 | 
| ACC time (min) | 58.32±14.99 | 57.04±14.38 | 0.473 | 
| CPB time (min) | 88.04±20.99 | 86.72±1947 | 0.745 | 
Student's-t test; Mann-Whitney U test
25(OH) vitamin D=25-hydroxy vitamin D; ACC=aortic cross clamp; BUN=Blood urea nitrogen; CPB=cardiopulmonary bypass; HDL-C=high density lipoprotein cholesterol; LDL-C=low density lipoprotein cholesterol; PoAF=postoperative atrial fibrillation; T3=triiodothyronine; T4=thyroxine; TG=triglyceride; TSH=thyroid-stimulating hormone