Table 1.

Echocardiographic parameters in different groups 4 weeks after treatment ($\overline{x}\pm$ s) (n = 4).

Group	EF (%)	FS (%)	LVIDd (mm)	LVIDs (mm)	IVSd (mm)	IVSs (mm)
Normal	59.102 ± 6.705	31.087 ± 4.533	0.707 ± 0.134	1.074 ± 0.150	3.954 ± 0.284	2.997 ± 0.235
Model	26.156 ± 11.113##	12.020 ± 5.394##	0.701 ± 0.326	0.800 ± 0.388	4.040 ± 1.218	3.597 ± 1.372
AS-IV	53.339 ± 4.018**	26.943 ± 2.447**	0.772 ± 0.094	1.197 ± 0.231	3.718 ± 0.130	2.726 ± 0.205
Bet	54.186 ± 5.193**	27.811 ± 3.472**	0.823 ± 0.188	1.227 ± 0.123	4.178 ± 0.335	3.012 ± 0.215

EF, ejection fraction; FS, fractional shortening; LVIDd, left ventricular end diastolic internal diameter; LVIDs, left ventricular internal dimension in systole; IVSd and IVSs, interventricular septum thickness in diastole and systole, respectively.

^## P < 0.01 vs. the normal group;

^**P < 0.01 vs. the model group.