Table 7. Comparison of LV torsion and GRVL strain between the improved and non-improved groups before and after the procedure.

	Total	Improved (n=21)	Non-improved (n=9)	p
LV torsion
Pre	10.4±2.4	9.7±2.1	12.2±1.9	0.0046
Post	12.7±3.1	13.5±3.0	10.8±2.3	0.0208
p value	0.001	<0.0001	0.0911
GRVL strain
Pre	-21.3 (-24.2 to -17.9)	-21.6 (-24.2 to -20.3)	-17.5 (-23.8 to -17.3)	0.1295
Post	-18.8 (-24.1 to -15.8)	-18.1 (-20.8 to -15.8)	-27.2 (-28.0 to -16.4)	0.1132

Values are presented as mean±standard deviation. LV: left ventricle, GRVL: global right ventricular longitudinal strain