Table 2 correlation of CMR derived measures of dyssynchrony (C-SDI, CURE, 4D–SDI) with established heart failure markers and ECG markers of dyssynchrony, as well as the R/L Index as a marker of EA severity
Indices | C-SDI | CURE | 4D–SDI |
|---|---|---|---|
Clinical Data | |||
NYHA | r = 0.529; p = 0.004 | r = −0.429; p = 0.023 | r = 0.496; p = 0.018 |
BNP | r = 0.436; p = 0.018 | r = −0.508; p = 0.005 | r = 0.363; p = 0.068 |
QRS-duration | r = 0.460; p = 0.009 | r = −0.495; p = 0.005 | r = 0.551; p = 0.002 |
QTc-duration | r = 0.378; p = 0.036 | r = −0.371; p = 0.040 | r = 0.569; p = 0.002 |
Severity Classification | |||
R/L - Index | r = 0.419; p = 0.019 | r = −0.474; p = 0,007 | r = 0.502; p = 0.007 |