Comparison of echocardiographic measurements and calculations between the hypertrophy group and healthy controls
| Variable | Hypertrophy group (n = 16) | Healthy controls (n = 16) | Difference in means | Significance |
|---|---|---|---|---|
| Age (years) | 48.9 (14.2) | 48.4 (15.5) | 0.5 | NS |
| Height (cm) | 169.1 (8.9) | 174.0 (9.9) | −4.9 | NS |
| Weight (kg) | 75.9 (11.2) | 75.6 (9.3) | 0.6 | NS |
| Heart rate (beats/min) | 54.3 (7.1) | 64.3 (13.8) | −10.0 | p = 0.006 |
| Interventricular septum thickness (mm) | 21.1 (7.7) | 10.7 (1.0) | 10.4 | p < 0.001 |
| Left ventricular posterior wall thickness (mm) | 13.8 (2.3) | 9.9 (1.1) | 3.9 | p < 0.001 |
| Left ventricular end diastolic diameter (mm) | 47.6 (8.1) | 50.2 (4.6) | −2.6 | NS |
| Left ventricular end systolic diameter (mm) | 27.4 (7.5) | 30.9 (4.5) | −3.5 | NS |
| Systolic short axis diameter reduction (mm) | 20.3 (3.8) | 19.3 (2.4) | 1.0 | NS |
| Mitral ring motion (mm) | 10.8 (2.6) | 15.2 (1.3) | −4.4 | p < 0.001 |
| Ring motion at septal site (mm) | 10.5 (2.6) | 14.3 (1.8) | −3.8 | p < 0.001 |
| Ring motion at anterior site (mm) | 10.3 (2.8) | 15.4 (1.7) | −5.1 | p < 0.001 |
| Ring motion at lateral site (mm) | 11.3 (2.8) | 15.6 (2.0) | −4.3 | p < 0.001 |
| Ring motion at posterior site (mm) | 10.9 (2.8) | 15.6 (1.9) | −4.7 | p < 0.001 |
| Ejection fraction by Teichholz (%) | 73.5 (10.0) | 67.9 (5.8) | 5.6 | NS (p = 0.077) |
| Ejection fraction by mitral ring motion × 5 (%) | 53.9 (12.9) | 76.4 (6.3) | −22.5 | p < 0.001 |
| Ratio mitral ring motion to short axis diameter change | 0.55 ( 0.19) | 0.80 (0.11) | −0.25 | p < 0.001 |
Values are mean (SD).