Table 5.

Changing trend in left ventricular ejection fraction and left ventricular global longitudinal strain in the decreased left ventricular ejection fraction group

	Decreased LVEF group	Pre-di	Pre-im	Di-im	Inter-group
Baseline LVEF	34.34 ± 9.74
LVEF after expansion	35.23 ± 9.98
LVEF after implantation	35.91 ± 11.52
P value		0.780	0.623	0.833	0.884
Baseline LVGLS	-9.07 ± 3.31
LVGLS after expansion	-7.72 ± 4.09
LVGLS after implantation	-8.24 ± 4.00
P value		0.245	0.472	0.654	0.500
PAEs	3

Ex-im: Balloon expansion-stent implantation; Pre-ex: Preoperative-balloon expansion; Pre-im: Preoperative-stent implantation; LVEF: Left ventricular ejection fraction; LVGLS: Left ventricular global longitudinal strain; PAEs: Perioperative adverse events.