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Electrocardiographic parameters in patients referred with suspected heart failure
| Men | Women | All | |
|---|---|---|---|
| Mean (SD) fractional shortening | 29 (8) | 30 (7) | 30 (7) |
| Mean (SD) ejection fraction (M mode) | 55 (12) | 56 (10) | 56 (11) |
| Mean (SD) ejection fraction (Simpson's biplane) | 44 (11) | 46 (9) | 45 (10) |
| No (%) with left ventricular hypertrophy: | |||
| Mild | 4 (12) | 18 (24) | 22 (20) |
| Moderate | 2 (6) | 3 (4) | 5 (5) |
| Severe | 1 (3) | 0 (0) | 1 (1) |
| No (%) with E:A ratio <1.0 | 20/27 (74) | 45/70 (64) | 65/97 (67) |
