Table 2. Laboratory tests and cardiac examinations on admission.
| All patients (n = 433) | Readmission (n = 47) | Non-readmission (n = 386) | p value | |
| Laboratory tests | ||||
| Blood urea nitrogen (mg/dL) | 31.55 ± 21.5 | 45 ± 32.85 | 29.86 ± 19.04 | 0.06 |
| Creatinine (mg/dL) | 2.05 ± 2.22 | 2.8 ± 2.88 | 1.95 ± 2.11 | 0.06 |
| eGFR (ml/min) | 52.54 ± 29.37 | 31.33 ± 20.93 | 54.03 ± 29.37 | 0.034 |
| Sodium (mg/dL) | 138.81 ± 4.28 | 137.37 ± 5 | 138.98 ± 4.15 | 0.016 |
| Potassium (mg/dL) | 4.07 ± 0.56 | 4.02 ± 0.66 | 4.07 ± 0.55 | 0.546 |
| AST (mg/dL) | 67.33 ± 239.88 | 38.49 ± 27.35 | 70.79 ± 253.5 | 0.452 |
| ALT (mg/dL) | 52.86 ± 137.65 | 42.12 ± 47.97 | 54.15 ± 144.67 | 0.598 |
| Total bilirubin (mg/dL) | 0.91 ± 1.13 | 0.88 ± 0.82 | 0.91 ± 1.16 | 0.87 |
| Fasting glucose (mg/dL) | 124.08 ± 61.68 | 117.86 ± 38.83 | 124.97 ± 64.32 | 0.623 |
| HbA1C (%) | 6.71 ± 1.51 | 6.66 ± 1.08 | 6.71 ± 1.55 | 0.858 |
| BNP (pg/mL) | 1574.39 ± 1331.19 | 1509.21 ± 1405.97 | 1583.13 ± 1323.43 | 0.758 |
| Troponin I (ng/mL) | 3.44 ± 13.09 | 4.89 ± 16.91 | 3.26 ± 12.57 | 0.475 |
| Uric acid (mg/dL) | 8.19 ± 3.19 | 7.64 ± 3.46 | 8.27 ± 3.16 | 0.323 |
| Hemoglobin (mg/dL) | 12.76 ± 2.53 | 11.78 ± 2.69 | 12.87 ± 2.48 | 0.006 |
| Proteinuria ≥ 2+ | 29.6 | 41.94 | 28.05 | 0.11 |
| Electrocardiography (%) | ||||
| Rhythm (%) | 0.789 | |||
| Sinus | 72.66 | 73.91 | 72.51 | |
| Atrial fibrillation/flutter | 24.77 | 23.91 | 24.87 | |
| Pacemaker | 1.4 | 0 | 1.57 | |
| Others | 1.17 | 2.17 | 1.05 | |
| LBBB (%) | 6.06 | 4.35 | 6.27 | 0.606 |
| LV hypertrophy (%) | 17.95 | 15.22 | 18.28 | 0.609 |
| Pathologic Q wave (%) | 0.47 | 0 | 0.52 | 0.623 |
| QRS duration (ms) | 103.51 ± 25.58 | 103.65 ± 27.5 | 103.49 ± 25.38 | 0.967 |
| Corrected QT interval (ms) | 476.4 ± 43.11 | 481.09 ± 42.71 | 475.84 ± 43.18 | 0.436 |
| Echocardiography | ||||
| LVEF (%) | 30.45 ± 7.34 | 31.78 ± 6.73 | 30.29 ± 7.41 | 0.19 |
| Left atrial diameter (mm) | 44.39 ± 8.24 | 43.15 ± 7.54 | 44.54 ± 8.32 | 0.248 |
| LVEDD (mm) | 58.19 ± 8.69 | 56.52 ± 9.73 | 58.39 ± 8.54 | 0.165 |
| Left ventricular mass (g) | 284.25 ± 105.13 | 265.25 ± 98.65 | 286.12 ± 105.76 | 0.365 |
| E/A ratio | 1.39 ± .87 | 1.46 ± 0.83 | 1.38 ± 0.88 | 0.666 |
| E/E’ | 23.1 ± 11.8 | 23.08 ± 7.08 | 23.11 ± 12.15 | 0.63 |
| Moderate or severe MR (%) | 31.18 | 42.55 | 29.79 | 0.075 |
| Moderate or severe TR (%) | 17.09 | 29.79 | 15.54 | 0.094 |
| Moderate or severe AR (%) | 6.46 | 4.26 | 6.74 | 0.878 |
ALT, alanine aminotransferase; AR, aortic regurgitation; AST, aspartate aminotransferase; BNP, B-type natriuretic peptide; EF, ejection fraction; eGFR, estimated glomerular filtration rate; LBBB, left bundle branch block; LV, left ventricular; LVEDD, left ventricular end-diastolic diameter; MR, mitral regurgitation; TR, tricuspid regurgitation.