Table 4.
Clinical and echocardiographic characteristics by left ventricular ejection time
| Variable | ET ≤240 (N=15) | ET > 240 (N=27) | p-value |
|---|---|---|---|
| Age (years) | 58±12 | 62±12 | 0.3 |
| Gender (females, %) | 6 (40) | 12 (44) | 1.0 |
| Heart rate (beats per minute) | 89±20 | 76±18 | 0.03 |
| Systolic blood pressure (mm Hg) | 118±17 | 124±26 | 0.7 |
| NYHA Heart Failure Class (N/%) | 0.08 | ||
| I | 3 (20) | 15 (56) | |
| II | 5 (33) | 8 (30) | |
| III | 2 (13) | 1 (4) | |
| IV | 5 (33) | 3 (11) | |
| Chemotherapy (N/%) | 13 (87) | 25 (92) | 0.6 |
| Stem cell transplant (N/%) | 2 (13) | 10 (37) | 0.2 |
| Anteroseptal thickness (cm) | 1.8±0.3 | 1.5±0.4 | 0.02 |
| Inferolateral thickness (cm) | 1.6±0.2 | 1.4±0.4 | 0.01 |
| Left ventricular mass index (g/m2) | 136±43 | 109±52 | 0.02 |
| Left ventricular ejection fraction (%) | 55±16 | 58±11 | 0.5 |
| Left atrial volume index (mL/m2) | 38±11 | 32±10 | 0.09 |
| E’ (cm/s) | 6.2±3 | 7.4±3 | 0.3 |
| E/E’ | 19±10 | 18±17 | 0.3 |
| Deceleration time (ms) | 193±82 | 230±71 | 0.1 |