Table 2. Echocardiography data of the experimental and control groups.

Variables	Experimental group (n = 25)		Control group (n = 25)
	Baseline	After 12 wk	Baseline	After 12 wk
LVDd (cm)	5.05 ± 0.38	4.90 ± 0.81	5.06 ± 0.62	5.15 ± 0.45
LVDs (cm)	3.51 ± 0.43	3.56 ± 0.69	3.50 ± 0.68	3.45 ± 0.73
LVEF (%)	52.48 ± 9.40	62.04 ± 9.42*	52.12 ± 8.32	58.64 ± 9.34*
RWMA score**	1.32 ± 0.39	1.08 ± 0.17*	1.37 ± 0.36	1.29 ± 0.32*

Mean ± SD, * p < 0.05: comparison between baseline and 12 wk follow-up, ** p < 0.05: significant difference, experimental group versus control group, LVDd: left ventricular end-diastolic dimension; LVDs: left ventricular end-systolic dimension; LVEF: left ventricular ejection fraction; RWMA: regional wall motion abnormality