Table 3.

Differences in echocardiography parameters.

Group	n	LVEF (%)	LVESV (ml)	LVEDV (ml)
CHD group	132	45.32 ± 4.28	93.35 ± 18.42	139.63 ± 14.64
Control group	100	61.35 ± 5.35	61.29 ± 16.44	128.45 ± 12.31
t		−25.348	13.744	6.162
P		<0.001	<0.001	<0.001