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Table 2 Differences of conventional echocardiography and 2D-STE parameters in each group of three time-points

From: Two-dimensional speckle tracking echocardiography help identify breast cancer therapeutics–related cardiac dysfunction

Group

Time- point

LAV

(ml)

LAVI

(ml/m2)

IVS

(mm)

LVPW

(mm)

LVEDD

(mm)

LVESD

(mm)

LV-mass (g)

Simpson- LVEF(%)

M- LVEF(%)

E/A

E/e′

TAPSE

(cm)

A

T0

32.91 ± 5.92

20.35 ± 2.92

9.17 ± 0.81

9.49 ± 0.81

43.58 ± 2.07

25.50 ± 2.28

110.86 ± 12.19

66.78 ± 4.17

66.03 ± 2.48

1.06 ± 0.23

7.75 ± 1.76

2.18 ± 0.30

T2

32.18 ± 5.01

20.07 ± 2.64

9.35 ± 0.74

9.49 ± 0.80

43.87 ± 3.03

26.24 ± 2.25

112.82 ± 8.80

67.36 ± 4.29

65.95 ± 3.07

1.07 ± 0.31

7.49 ± 1.75

2.13 ± 0.29

T4

33.19 ± 5.23

21.04 ± 3.21

9.17 ± 0.79

9.30 ± 0.79

43.23 ± 2.79

25.79 ± 2.51

113.16 ± 10.74

66.30 ± 3.13

65.17 ± 2.17

1.00 ± 0.18

6.83 ± 1.60

2.15 ± 0.28

Group A

Pa

0.41

0.16

0.36

0.29

0.41

0.42

0.48

0.80

0.25

0.06

0.04

0.46

B

T0

33.93 ± 5.44

20.56 ± 3.70

9.18 ± 0.80

9.51 ± 0.80

43.88 ± 3.02

25.05 ± 2.45

110.64 ± 15.31

66.14 ± 2.82

65.92 ± 3.40

1.03 ± 0.27

8.33 ± 1.38

2.19 ± 0.22

T2

33.23 ± 5.35

20.11 ± 3.09

9.39 ± 0.83

9.50 ± 0.68

42.97 ± 2.51

25.49 ± 2.14

114.49 ± 15.59

66.03 ± 3.51

65.65 ± 2.75

0.97 ± 0.31

8.69 ± 1.44

2.15 ± 0.23

T4

33.68 ± 6.12

21.16 ± 3.21

9.17 ± 0.61

9.40 ± 0.71

43.85 ± 3.10

25.40 ± 2.27

114.78 ± 12.01

65.08 ± 2.69

64.95 ± 1.67

0.99 ± 0.22

8.86 ± 1.75

2.10 ± 0.17

Group B

Pa

0.75

0.23

0.24

0.70

0.24

0.66

0.20

0.19

0.45

0.60

0.68

0.08

Time

Pb

0.40

0.06

0.09

0.52

0.71

0.66

0.09

0.72

0.13

0.12

0.56

0.12

Time*Group

Pc

0.86

0.96

0.97

0.50

0.13

0.54

0.70

0.94

0.95

0.17

0.13

0.43

  1. Pa, P for each group among different time points; Pb, P between groups at each time point; Pc, P for interaction between group and time point; T0, Baseline; T2, Cycle 2 of chemotherapy, T4, Cycle 4 of chemotherapy; LAV, Left atrial volume; LAVI, Left atrial volume index; IVS, Interventricular septal thickness; LVPW, Left ventricular posterior wall thickness; LVEDD, Left ventricular end-diastolic diameter; LAESD, Left ventricular end‐systolic diameter; LVEF, Left ventricular ejection fraction; TAPSE, Tricuspid valve systolic displacement; E, Early peak mitral diastolic velocity; A, Late peak mitral diastolic velocity; e′, Early diastolic mitral annulus velocity