Table 1.
The baseline characteristics, echocardiography and 24-hour Holter ECG monitoring results in patients with Graves disease or nodular goiter
| Graves’ disease group n=16 | Toxic nodular goiter group n=20 | P value | |
|---|---|---|---|
| Age (mean±SD) | 48.9±8.6 | 62.9±11.5 | P=0.001 |
| Male/Female | 6/10 | 7/13 | P=0.877 |
| Hypertension (%) | 12.5% (n=2/16) | 25% (n=5/20) | P=0.426 |
| BMI (kg/m2) | 26.9±4.25 | 27.88±6.59 | P=0.607 |
| LVEF (mean±SD) | 59.56±3.07 | 58.90±3.05 | P=0.524 |
| LVEDD (mean±SD) | 4.68±0.272 | 4.73±0.331 | P=0.682 |
| LVESD (mean±SD) | 2.73±0.232 | 2.80±0.320 | P=0.330 |
| LA (mean±SD) | 3.33±0.464 | 3.47±0.572 | P=0.442 |
| Systolic blood pressure (mean±SD) | 127.19±12.31 | 136.90±19.98 | P=0.158 |
| Diastolic blood pressure (mean±SD) | 76.25±8.06 | 80.60±12.80 | P=0.352 |
| Free T3 (mean±SD) | 7.87±3.90 | 5.21±1.53 | P=0.033 |
| Free T4 (mean±SD) | 2.12±1.00 | 1.65±0.68 | P=0.220 |
| TSH (mean±SD) | 0.040±0.017 | 0.035±0.032 | P=0.124 |
| Maximum Heart Rate (mean±SD) | 128.06±19.04 | 127.70±21.49 | P=0.958 |
| Minimum Heart Rate (mean±SD) | 68.25±9.59 | 63.95±9.45 | P=0.187 |
| SVPCs [median (min-max)] | 3.50 (0-1077) | 17 (0-3568) | P=0.404 |
| SVT (%) | 12.5% (n=2/16) | 25% (n=5/20) | P=0.309 |
| Paroxysmal AF (%) | 0% (n=0/16) | 30% (n=6/20) | P=0.016 |
| PVCs [median (min-max)] | 8.50 (0-7210) | 15 (0-661) | P=0.648 |
| Nonsustained VT (%) | 18% (n=3/16) | 0% (n=0/20) | P=0.043 |
BMI: Body mass index, LVEF: Left ventricular ejection fraction, LVEDD: Left ventricular end-diastolic diameter, LVESD: Left ventricular end-systolic diameter, LA: Left atrium, SVPCs: Supraventricular premature contractions, SVT: Supraventricular tachycardia, AF: Atrial fibrillation, PVCs: Premature ventricular contractions, VT: Ventricular tachycardia.