Table 2. Echocardiographic measurements by category of diastolic LV function.
| Characteristic | Normal (n = 600) | Dysfunction (n = 182) |
|---|---|---|
| Conventional echocardiography | ||
| Left atrial volume, mL | 40.9 (12.5) | 49.3 (15.4)* |
| Left atrial volume index, mL/m2 | 21.8 (5.51) | 26.7 (7.59)* |
| Left ventricular mass, g | 165.5 (44.7) | 194.3 (55.7)* |
| Left ventricular mass index, g/m2 | 88.4 (19.0) | 104.9 (25.7)* |
| Doppler data | ||
| Deceleration time, ms | 159.8 (30.6) | 189.2 (45.2)* |
| Isovolumetric relaxation time, ms | 94.7 (14.1) | 106.8 (18.0)* |
| E peak, cm/s | 77.7 (14.9) | 69.0 (17.3)* |
| A peak, cm/s | 59.1 (13.9) | 82.1 (15.8)* |
| E/A ratio | 1.40 (0.46) | 0.86 (0.25)* |
| e’ peak, cm/s | 12.6 (3.26) | 7.77 (1.89)* |
| a’ peak, cm/s | 9.75 (2.07) | 11.1 (1.94)* |
| e’/a’ ratio | 1.42 (0.65) | 0.73 (0.26)* |
| E/e’ ratio | 6.38 (1.33) | 9.26 (2.78)* |
* An asterisk indicates a significant difference with normal.