Table 3 The baseline and follow-up 2D-speckel tracking changes in included participants with AMI undergoing primary PCI (n = 89)

GLS-LAX:

 At baseline

-11.04 ± 3.60

-10.18 ± 4.26

0.306

 After 3 months

-13.09 ± 3.84

-10.75 ± 3.96

0.006*

 P value²

0.000*

0.091

GLS-A4C:

 At baseline

-11.29 ± 3.70

-9.74 ± 3.95

0.060

 After 3 months

-13.23 ± 3.51

-10.62 ± 4.08

0.002*

 P value²

 < 0.001*

0.001*

GLS-A2C:

 At baseline

-12.05 ± 3.57

-10.38 ± 3.92

0.039*

 After 3 months

-13.85 ± 3.41

-10.93 ± 3.97

 < 0.001*

 P value²

 < 0.001*

0.083

GLS-AVG:

 At baseline

-11.48 ± 3.26

-10.09 ± 3.69

0.062

 After 3 months

-13.35 ± 3.21

-10.75 ± 3.71

0.001*

 P value²

 < 0.001*

0.009*

HR:

 At baseline

79.82 ± 14.32

77.20 ± 13.02

0.369

 After 3 months

69.95 ± 8.82

71.91 ± 10.25

0.337

 P value²

 < 0.001*

0.003*