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Table 3 Relative reduction of ICA after CRT

From: Index of contractile asymmetry improves patient selection for CRT: a proof-of-concept study

 

All subjects (n = 79)

Responders (n = 59)

Non-responders (n = 20)

p-value

Two-chamber view, %

−4 ± 38

−4 ± 39

−2 ± 39

0.61

Three-chamber view, %

−24 ± 38

−35 ± 29

8 ± 43

< 0.0001*

Four-chamber view, %

−28 ± 34

−33 ± 30

−14 ± 43

0.04*

ICA1, %

−14 ± 35

−16 ± 35

−8 ± 37

0.39

ICA2, %

−26 ± 33

−30 ± 30

−14 ± 41

0.06

ICA3, %

−31 ± 31

−37 ± 26

−13 ± 39

0.005*

ICA4, %

−29 ± 34

−39 ± 24

1 ± 41

< 0.0001*

ICA5, %

−18 ± 37

−28 ± 29

12 ± 42

< 0.0001*

ICA6, %

1 ± 33

−1 ± 31

6 ± 40

0.57

  1. ICA index of contractile asymmetry; *, p < 0.05