Table 3.

Strain analysis in longitudinal 6 segments model

	Preoperatively	Before discharge	Difference (post–pre)	p value
	Mean ± SD or Median [IQR]	Mean ± SD or Median [IQR]	Mean ± SD or Median [IQR]
Global longitudinal peak strain (%)
	− 18.3 ± 3.4	− 14.2 ± 4.1	3.4 ± 5.1	0.003*
Time to global peak strain (msec)
	288.9 ± 29.8	267.2 ± 33.8	− 20.7 ± 47.1	0.04*
Regional peak strain (%)
BS	− 16.4 ± 3.9	− 12.8 ± 4.2	− 3.2 ± 5.9	0.012*
MS	− 17.3 ± 3.3	− 15.5 ± 3.4	− 1.9 ± 4.7	0.065
AS	− 25.2 [− 28.8 to − 22.1]	− 9.9 ± 8.1	− 16.9 ± 11.7	< 0.001*
AL	− 17.2 [24–14.7]	− 10.2 [16.8–7.1]	− 5.7 ± 12.9	0.07
ML	− 12.6 ± 4.8	− 10 [16.4–8.4]	− 0.5 ± 8.2	0.903
BL	− 25.9 ± 5.8	− 23.4 ± 7	− 1.7 ± 10.4	0.439

*Means significant. p value determined with paired samples t test or Wilcoxon signed-rank test

BS basal septal, MS mitral septal, AS apical septal, AL apical lateral, ML mid lateral, BL basal lateral