Table-V.

Comparison of cardiac function parameters between the two groups before and after treatment(x̄ ± S).

Groups	n	LVEF(%)		LVEDD(mm)		LVEBD(mm)
		Before treatment	After treatment	Before treatment	After treatment	Before treatment	After treatment
The SV group	64	41.36±4.20	57.34±4.74	60.23±3.67	48.19±4.58	56.06±3.63	43.84±4.19
The non-SV group	57	40.56±3.94	52.37±3.61	59.39±3.62	54.19±3.57	55.42±3.42	48.28±3.49
t		1.075	6.436	1.278	7.967	0.997	6.282
P		0.285	<0.001	0.204	<0.001	0.321	<0.001