| Demographics |
| Age of diagnosis (years) | 48.1±17.1 | 50.5±16.5 | 0.552 |
| Gender (males) | 61.5% | 62.1% | 0.942 |
| FH of HCM/SCD | 34.6% | 32.0% | 0.747 |
| NYHA functional class III or IV | 7.7% | 7.8% | 0.987 |
| Patients on treatment | 55.8% | 46.6% | 0.281 |
| B-blockers | 28.8% | 39.1% | 0.445 |
| Calcium antagonists | 26.9% | 12.6% | 0.026 |
| Amiodarone | 7.7% | 1.9% | 0.080 |
| Diuretics | 13.5% | 9.7% | 0.480 |
| Disopyramide | 3.8% | 9.7% | 0.197 |
| Intracardiac defibrillator in situ | 5.8% | 5.8% | 0.989 |
| Echocanliographic characteristics |
| Ao (mm) | 31.3±3.7 | 33.2±5.8 | 0.123 |
| LA (mm) | 40.9±7.3 | 39.9±7.3 | 0.593 |
| LVED (mm) | 44.0±6.1 | 44.4±6.1 | 0.787 |
| mLVWTd (mm) | 17.3±4.9 | 18.8±4.1 | 0.069 |
| LV mass (g) | 279.6±106.5 | 287.6±112.7 | 0.767 |
| FS (%) | 40.4±9.1 | 39.8±8.3 | 0.641 |
| E wave (m/s) | 0.70±0.18 | 0.74±0.20 | 0.443 |
| A wave (m/s) | 0.67±0.18 | 0.66±0.27 | 0.851 |
| E/A | 1.11±0.44 | 1.22±0.58 | 0.422 |
| SAM | 23.1% | 37.9% | 0.064 |
| LVOT gradient = 30 mm Hg | 23.1% | 34.0% | 0.163 |
| LVH pattern |
| ASH | 25% | 57.3% | 0.004 |
| Concentric | 44.2% | 30.1% |
| Apical | 28.8% | 11.7% |
| No hypertrophy | 1.9% | 1.0% |
| Echocanliographic characteristics |
| LVH (Sokolow & Lyon) | 53.8% | 35.9% | 0.033 |
| Left atrial enlargement | 44.2% | 49.5% | 0.534 |
| Pathological Q waves | 9.6% | 23.3% | 0.039 |
| Left axis deviation | 11.5% | 17.2% | 0.270 |
| Inverted T-waves | 82.7% | 69.9% | 0.086 |
| T-wave inversions in V1–V4 | 3.8% | 3.9% | 0.991 |
| T-wave inversions in inferior leads | 1.9% | 5.8% | 0.269 |
| T-wave inversions in lateral leads | 76.9% | 60.2% | 0.038 |
| Deep T-wave inversions | 69.2% | 51.5% | 0.035 |
| ST-segment elevation | 9.6% | 9.7% | 0.985 |
| ST-segment depression | 50% | 35.0% | 0.071 |