Echocardiographic characteristics of patients with either preserved or reduced LVSF
| Preserved LVSF (n = 130) | Reduced LVSF (n = 315) | |
|---|---|---|
| *Data are proportions of patients with a measurement of the relevant variable or mean (SD) for continuous variables. | ||
| LVEDD, left ventricular end diastolic diameter. | ||
| LVEDD (cm) | 4.7 (0.6) | 5.8 (1.0) |
| Left ventricular dilatation (LVEDD >5.5 cm) | 9/126 (7%) | 162/297 (54%) |
| Left ventricular hypertrophy (>1.1 cm) | 72/128 (56%) | 83/290 (29%) |
| Left atrial size (cm) | 4.6 (1.1) | 4.4 (0.7) |
| Left atrial dilatation (>4.5 cm) | 46/102 (45%) | 94/206 (46%) |
| Mitral regurgitation | 83/128 (65%) | 256/300 (85%) |
| Mitral valve forward flow velocity (m/s) | 1.27 (0.52) | 1.04 (0.37) |
| Mitral valve pressure half time (ms) | 85 (55) | 80 (36) |
| Aortic incompetence | 37/128 (29%) | 75/298 (25%) |
| Aortic valve gradient (peak gradient >20 mm Hg) | 30/96 (31%) | 19/211 (9%) |
| Tricuspid valve regurgitation peak velocity (m/s) | 2.90 (0.49) | 2.91 (0.54) |
| Estimated pulmonary artery pressure (mm Hg) | 40 (12) | 40 (13) |