Table 3.

Comparison of parameters under TDI technique echocardiography in four groups of subjects (mean number ± standard deviation).

Projects	Number of cases (pcs)	e (cm/s)	E/e
Control group	30	8.6 ± 0.4	6.5 ± 0.8
Hypertension during pregnancy	20	8.1 ± 0.3*	7.2 ± 0.6*
Pre-eclampsia (mild)	15	8.1 ± 0.3*	7.3 ± 0.7*
Pre-eclampsia (severe)	10	8.0 ± 0.2**	7.5 ± 0.6**

Compared with control group *P < 0.05, **P < 0.01.