Table 2.
Two‐Dimensional, M‐Mode, Doppler, and Speckle‐tracking Echocardiographic Parameters of the Study Sample
| Echocardiographic Parameter | All Study Participants (n=2150) |
|---|---|
| Traditional echocardiographic parameters | |
| LV end‐diastolic volume, mL | 130±31 |
| LV end‐systolic volume, mL | 51±23 |
| LV mass index, g/m2 | 85±22 |
| LV hypertrophy, n (%) | 469 (22) |
| Left atrial diameter, cm | 3.5±0.5 |
| LV ejection fraction, % | 62±8 |
| Stroke volume, mL | 76±16 |
| Cardiac index, L/min per m2 | 2.6±0.6 |
| Early (E) transmitral velocity, cm/s | 73±20 |
| Late/atrial (A) transmitral velocity, cm/s | 66±19 |
| E/A ratio | 1.19±0.50 |
| E deceleration time, ms | 204±58 |
| Isovolumic relaxation time, ms | 80±18 |
| Speckle‐tracking echocardiographic parameters | |
| e' velocity, cm/s* | 3.5±1.3 |
| E/e' ratio* | 23.8±11.9 |
| Global radial strain, % | 26.6±11.9 |
| Global circumferential strain, % | 20.6±5.3 |
| Global longitudinal strain, % | 14.6±3.6 |
LV indicates left ventricular.
*
Tissue velocity values derived from speckle‐tracking software are lower than values derived from tissue Doppler imaging, resulting in lower e' velocities and higher E/e' velocities.