Patient baseline characteristics
| Number of patients | 40 |
| Gender: male-female | 50%-50% (20:20) |
| Age median (range) (years) | 55.4 (27–80) |
| Age in diagnosis median (range) (years) | 47.9 (15–77) |
| Family history | |
| Positive | 33.3% |
| Positive+sudden death | 17.9% |
| Symptoms | |
| Angina pectoris | 23% |
| Dyspnoea | 89.7% |
| Syncope | 15.4% |
| NYHA (I-II-III-IV-NA) | 20.5-38.5-30.8-2.6-7.7% |
| History of hypertension | 46.2% |
| ECG | |
| LVH signs | 76.9% |
| T wave inversion | 89.7% |
| Normal ECG | 17.9% |
| QTc interval (ms) median (range) | 450, 1 (360–552) |
| Echo | |
| IVS thickness (mm) median (range) | 19.1 (8–30) |
| PW thickness (mm) median (range) | 11.6 (3–20) |
| LV end-diastolic diameter (mm) median (range) | 45.5 (28–64) |
| LV end-systolic diameter (mm) median (range) | 25.8 (12–47) |
| LA end-systolic diameter (mm) median (range) | 45.5 (31–67) |
| NMR | 28/11 |
| Systolic blood pressure (mm Hg) median (range) | 127.6 (100–179) |
| Diastolic blood pressure (mm Hg) median (range) | 77.5 (60–95) |
IVS, interventricular septum; LA, left atrium; LV, left ventricle; LVH, left ventricular hypertrophy; NMR, nuclear magnetic resonance; NYHA, New York Heart Association Functional Classification; PW, posterior wall.