Left-ventricular functional parameters divided by patients below 40 years and those at or above 40 years of age
| Age <40 years n = 26 (SD) | Age ⩾40 years n = 39 (SD) | p Value | |
| Left-ventricular end-diastolic volume | |||
| Indexed to body surface area (ml/m2) | 91 (20) | 94 (30) | 0.70 |
| Indexed to height (ml/m) | 102 (23) | 105 (37) | 0.71 |
| Left-ventricular end-systolic volume | |||
| Indexed to body surface area (ml/m2) | 39 (25) | 46 (29) | 0.37 |
| Indexed to height (ml/m) | 44 (28) | 51 (33) | 0.49 |
| Left-ventricular stroke volume | |||
| Indexed to body surface area (ml/m2) | 50 (16) | 44 (13) | 0.13 |
| Indexed to height (ml/m) | 55 (18) | 50 (16) | 0.19 |
| Left-ventricular mass | |||
| Indexed to body surface area (g/m2) | 65 (18) | 64 (19) | 0.92 |
| Indexed to height (g/m) | 73 (24) | 72 (24) | 0.88 |
| Ejection fraction (%) | 59 (16) | 51 (17) | 0.03 |
Relationship of left-ventricular volumetry and function to age. Compared with the young cohort, older patients had significantly lower ejection fraction (p<0.05).