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Table 4 Comparison of the decline rate of strain values (more than 15% absolute fall from baseline measurements) between the two groups at different time points

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

Group

N

LV-GLS (%)

LV-GCS (%)

T2, n (%)

P

T4, n (%)

P

T2, n (%)

P

T4, n (%)

P

A

34

17 (50.0%)

0.014

29 (85.3%)

0.126

8 (23.5%)

0.590

23 (67.6%)

0.730

B

33

7 (18.2%)

23 (69.7%)

6 (18.2%)

21 (63.6%)

  1. T0, Baseline; T2, Cycle 2 of chemotherapy, T4, Cycle 4 of chemotherapy; LV-GLS, LV global longitudinal strain; LV-GCS, LV global circumferential strain