Table 1 Comparison of the mitral valve flow velocity and vortex data between the left ventricle and right ventricle of 36 healthy second-trimester foetuses
Group | mitral valve flow velocity | vortex data | |||
|---|---|---|---|---|---|
E(cm/s) | A(cm/s) | E/A | vortex Area (mm2) | vortex Circulation(m2/s) | |
LV(n = 36) | 37.17 ± 3.34 | 59.31 ± 5.09 | 0.63 ± 005 | 21.47 ± 7.17 | 4.11 ± 1.56 |
RV(n = 33) | 38.06 ± 4.18 | 59.36 ± 4.36 | 0.64 ± 0.05 | 20.91 ± 8.76 | 4.21 ± 1.39 |
t | -0.97 | -0.43 | -0.98 | -0.46 | -0.26 |
p | 0.33 | 0.97 | 0.33 | 0.65 | 0.8 |