Table 5.
Association between changes in ECG parameters and semi-quantitative LGE CMR scores from baseline to follow-up
| ECG parameter | Baseline | Follow-up | Univariate analysis | Multivariate analysis | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| VPS change | VTS change | VPS change | VTS change | ||||||||||||||||
| β | 95%CI | p value | β | 95% CI | p value | β | 95%CI | p value | β | 95%CI | p value | ||||||||
| NS rhythm | - | + | 1.12 | -2.07 | 4.32 | 0.50 | 3.78 | -4.76 | 12.31 | 0.39 | - | - | - | - | - | - | - | - | |
| + | - | 1.12 | -2.08 | 4.32 | 0.50 | 3.78 | -4.76 | 12.31 | 0.39 | - | - | - | - | - | - | - | - | ||
| + | + | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ||
| VES | - | + | 1.15 | -2.07 | 4.37 | 0.49 | 3.81 | -4.84 | 12.46 | 0.39 | - | - | - | - | - | - | - | - | |
| + | - | 1.15 | -1.15 | 3.45 | 0.33 | 1.31 | -4.87 | 7.49 | 0.07 | - | - | - | - | - | - | - | - | ||
| + | + | 0.15 | -3.07 | 3.37 | 0.93 | 2.81 | -5.84 | 11.46 | 0.53 | - | - | - | - | - | - | - | - | ||
| AV-block | - | + | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| + | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ||
| + | + | 0.08 | -3.16 | 3.26 | 0.96 | -0.38 | -8.96 | 8.20 | 0.93 | - | - | - | - | - | - | - | - | ||
| FA-block | - | + | -0.58 | -2.46 | 1.30 | 0.59 | -8.78 | -13.19 | -4.38 | < 0.001 | - | - | - | - | -2.70 | -6.29 | 0.86 | 0.15 | |
| + | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ||
| + | + | 1.09 | -1.19 | 3.36 | 0.35 | 2.72 | -2.62 | 8.06 | 0.323 | - | - | - | - | 0.09 | -3.66 | 3.83 | 0.96 | ||
| PQ depression | - | + | - | - | - | - | - | - | - | - | |||||||||
| + | - | 1.08 | -2.12 | 4.29 | 0.51 | -1.37 | -10.01 | 7.28 | 0.76 | - | - | - | - | - | - | - | - | ||
| + | + | 0.91 | -4.12 | 2.29 | 0.58 | 1.63 | -7.01 | 10.28 | 0.71 | - | - | - | - | - | - | - | - | ||
| ST- elevation | - | + | - | - | - | - | - | - | - | - | |||||||||
| + | - | -1.49 | -2.41 | -0.57 | 0.003 | -4.87 | -7.18 | -2.56 | 0.001 | -0.47 | -1.43 | 0.49 | 0.34 | -2.39 | -4.32 | -0.47 | 0.02 | ||
| + | + | -0.34 | -2.46 | 1.77 | 0.75 | 1.34 | -3.97 | 6.66 | 0.62 | 0.44 | -1.46 | 2.35 | 0.65 | 2.67 | -1.07 | 6.34 | 0.17 | ||
| ST- depression | - | + | - | - | - | - | - | - | - | - | |||||||||
| + | - | -0.94 | -3.22 | 1.34 | 0.42 | -7.08 | -12.90 | -1.27 | 0.021 | - | - | - | - | -0.63 | -4.76 | 3.50 | 0.77 | ||
| + | + | 1.06 | -2.13 | 4.26 | 0.52 | 3.42 | -4.72 | 11.55 | 0.41 | - | - | - | - | 10.57 | 5.08 | 16.06 | < 0.001 | ||
| T-inversion | - | + | -0.01 | -1.46 | 1.44 | 0.99 | 0.83 | -3.07 | 4.74 | 0.68 | - | - | - | - | - | - | - | - | |
| + | - | -0.03 | -1.18 | 1.13 | 0.96 | 0.36 | -2.74 | 3.46 | 0.82 | - | - | - | - | - | - | - | - | ||
| + | + | 0.53 | -0.77 | 1.83 | 0.43 | 1.25 | -2.24 | 4.74 | 0.49 | - | - | - | - | - | - | - | - | ||
| QRS-T angle change [°] | 0.008 | -0.004 | 0.021 | 0.20 | 0.023 | -0.011 | 0.057 | 0.19 | - | - | - | - | - | - | - | - | |||
| QRS interval change [msec] | 0.001 | -0.009 | 0.011 | 0.79 | -0.006 | -0.033 | 0.021 | 0.67 | - | - | - | - | - | - | - | - | |||
| QTc change [msec] | -0.003 | -0.017 | 0.011 | 0.70 | -0.011 | -0.048 | 0.027 | 0.58 | - | - | - | - | - | - | - | - | |||
Multivariate models were corrected for baseline VPS and VTS values as their values may affect overall change
+ and - signs represent the presence of the absence of the given abnormality at baseline or follow-up