Table 4.

Comparison of cardiac function between two groups before and after intervention (x̅±sd)

Group	Period	LVEF	LVEDD	LVWT
Observation group (n=64)	Before intervention	42.93±3.74	60.27±6.83	70.82±7.38
	After intervention	48.65±3.96*	58.95±6.20	69.32±5.63
	t	8.040	1.145	1.293
	P	<0.001	0.255	0.199
Control group (n=63)	Before intervention	42.65±3.62	61.02±5.33	71.21±8.03
	After intervention	45.27±2.75	59.28±7.22	69.84±6.84
	t	4.597	1.539	1.031
	P	<0.001	0.126	0.305

Note: Compared to the control group in the same period, U;

^* P<0.05.

LVEF: left ventricular ejection fraction; LVEDD: left ventricular end-diastolic diameter; LVWT: left ventricular wall thickness.