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Table 5 Differences of myocardial work parameters in each group at three time-points

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

Group

Time-point

GWI (mmHg%)

GCW (mmHg%)

GWW (mmHg)

GWE (%)

A

T0

2050.59 ± 243.55

2256.59 ± 263.93

78.94 ± 14.68

96.29 ± 1.03

T2

1986.26 ± 183.12

2167.97 ± 194.97

83.12 ± 14.89

96.18 ± 0.96

T4

1923.68 ± 156.80

2066.85 ± 176.72

86.97 ± 10.96

95.85 ± 0.78

Group A

Pa

0.016

< 0.001

0.013

0.027

B

T0

2042.82 ± 196.09

2233.39 ± 168.38

75.67 ± 16.74

96.61 ± 0.82

T2

2015.21 ± 181.34

2161.85 ± 182.09

76.61 ± 13.92

96.39 ± 0.86

T4

1959.39 ± 158.78

2101.73 ± 171.40

81.52 ± 13.43

96.24 ± 0.79

Group B

Pa

0.129

0.001

0.094

0.082

Time

Pb

0.001

< 0.001

0.002

0.003

Time*Group

Pc

0.674

0.358

0.686

0.752

  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; GWI, Global work index; GCW, Global constructive work; GWW, Global work waste; GWE, Global work efficiency