Clinical characteristics of study population
| n=1386 | |
| Demographic | |
| Men | 885 (63.9) |
| Age, years | 57.9±12.0 |
| Symptoms* | |
| NYHA class III–IV (n=1255) | 206 (16.4) |
| Chest pain (n=1314) | 530 (40.3) |
| Syncope (n=1348) | 269 (20.0) |
| Echocardiogram* | |
| MLVWT (mm) | 20.1±4.0 |
| MLVWT ≥30 mm | 34 (2.5) |
| LVOT obstruction (n=1326) | 438 (33.0) |
↵* In parenthesis the actual number of patients with available clinical data.
ICD, internal cardioverter defibrillator; LVOT, left ventricular outflow tract; MLVWT, maximal left ventricular wall thickness; NYHA, New York Heart Association.