Table 2.
HF patients with low LVEF | HF patients with normal LVEF | Control subjects | p value | |
---|---|---|---|---|
(n = 25) | (n = 23) | (n = 21) | ||
LV ejection fraction (%) | 31.2 ± 12.3*, ** | 60.2 ± 8.3 * | 70.9 ± 7.6 | <0.001 |
LV end-diastolic volume (mL) | 169.5 ± 78.1*,** | 124 ± 43.7 * | 95.3 ± 23.4 | < 0.001 |
LV end-systolic volume (mL) | 120.8 ± 70.7*,** | 51.2 ± 24.0 * | 28.2 ± 11.5 | < 0.001 |
Stroke volume (mL) | 48.7 ± 19.4*,** | 72.8 ± 22.4 | 67.2 ± 15.9 | < 0.001 |
Cardiac output (L/min) | 3.7 ± 1.5*,** | 4.8 ± 1.5 | 5.1 ± 1.1 | 0.004 |
LV mass (g) | 126.1 ± 52.9* | 113.5 ± 34.8 * | 94.4 ± 23.2 | 0.032 |
LV global function index (%) | 20.2 ± 9.0*,** | 37.6 ± 6.7 * | 44.6 ± 6.1 | < 0.001 |
LV concentricity | 0.8 ± 0.3*,** | 1.0 ± 0.4 | 1 ± 0.3 | 0.027 |
Data are expressed as means ± standard deviations. P values are calculated from one-way analysis of variance
Abbreviations: HF heart failure, LV left ventricle, LVEF left ventricular ejection fraction
* p < 0.05 vs. controls; ** p < 0.05 vs. HF patients with normal LVEF