Table 4.
Prevalence of clinical features in the total patient population and patient subgroups.
| A. | Clinical features | LVNC total (n = 100) | RV-HT (n = 22) | RV-NT (n = 78) | RV-HT vs. RV-NT p |
|---|---|---|---|---|---|
| Palpitation | 20% | 23% | 19% | 0.717 | |
| Palpitation with documented arrhythmia | 7% | 9% | 6% | 0.663 | |
| Palpitation without documented arrhythmia | 13% | 14% | 13% | 0.920 | |
| Arrhythmia | 22% | 27% | 21% | 0.499 | |
| Non-sustained ventricular arrhythmia | 3% | 5% | 3% | 0.630 | |
| Ventricular extrasystoles | 15% | 14% | 15% | 0.839 | |
| Supraventricular extrasystoles | 4% | 9% | 3% | 0.168 | |
| Atrioventricular reentry tachycardia | 2% | 5% | 1% | 0.334 | |
| Bradycardia | 1% | 5% | 0% | 0.058 | |
| Syncope | 8% | 14% | 6% | 0.270 | |
| Non-ischemic ECG abnormalities | 9% | 5% | 10% | 0.408 | |
| Previous thromboembolic event | 3% | 5% | 3% | 0.630 | |
| Transient ischemic attack | 1% | 0% | 1% | 0.594 | |
| Stroke | 1% | 5% | 0% | 0.058 | |
| Pulmonary microembolism | 1% | 0% | 1% | 0.594 | |
| Sudden cardiac death | 1% | 0% | 1% | 0.594 | |
| Positive family history | 23% | 18% | 24% | 0.543 | |
| Positive family history and other clinical features | 10% | 14% | 9% | 0.520 | |
| Atypical chest pain | 11% | 9% | 12% | 0.746 | |
| No symptoms or family history | 32% | 32% | 32% | 0.983 |
LVNC, left ventricular non-compaction; RV-HT, patients with right ventricular hypertrabeculation; RV-NT, patients with normal right ventricular trabeculation.