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Table 3 Changes in LV volumes, LV ejection fraction and end-systolic global longitudinal strain

From: The Association of a classical left bundle Branch Block Contraction Pattern by vendor-independent strain echocardiography and outcome after cardiac resynchronization therapy

 

No Classical

Classical

 

n = 38

n = 85

p-value

Relative ΔLV end-systolic volume, %

−7 ± 27

−26 ± 25

< 0.001

vLV end-systolic volume ≤ − 15%

13 (34%)

64 (75%)

< 0.001

Relative ΔLV end-diastolic volume, %

0 ± 24

−16 ± 22

< 0.001

Absolute ΔLV ejection fraction, %-points

7 ± 11

11 ± 10

0.03

Absolute ΔLV end-systolic GLS, %-points

−1.8 ± 4.1

−3.6 ± 3.8

0.02

  1. The changes are from the baseline to the follow-up echocardiogram
  2. GLS Global longitudinal strain, LV Left ventricular