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 |