Parameters of left ventricular systolic and diastolic function according to ethnicity
| European white (n=199) | Indian Asian (n =258) | p Value | |
| Ejection fraction | |||
| Bi-plane Simpson's EF (%) | 62±5 | 62±6 | 0.55 |
| Transmitral Doppler | |||
| Transmitral E-wave (cm/s) | 71.8±14.0 | 74.0±16.6 | 0.14 |
| Transmitral A-wave (cm/s) | 62.5±13.8 | 66.0±17.2 | 0.02 |
| E/A ratio | 1.2±0.3 | 1.2±0.4 | 0.61 |
| E-deceleration time (ms) | 210.3±49.8 | 201.8±45.5 | 0.06 |
| Tissue Doppler | |||
| Sa (cm/s) | 9.5±1.6 | 8.9±1.5 | <0.001 |
| Ea (cm/s) | 11.0±2.1 | 10.3±2.1 | <0.001 |
| E/Ea ratio | 7.0±1.5 | 7.9±2.1 | <0.001 |
EF - ejection fraction
Sa - mitral annular systolic velocity
Ea - mitral annular early diastolic velocity