Table 2.
Bivariable Logistic Regression for CRT Response
| Covariate | OR (95% CI) | Wald χ2 (p-value) | AUC p-value | Sens./Spec. |
|---|---|---|---|---|
|
| ||||
| MECHANICAL DYSSYNCHRONY | ||||
|
| ||||
| CURE | ||||
| Continuous (0.1decrease) | 2.20 (1.56–3.16) | 19.66 (<0.0001) | 0.87 (<0.0001) | -- |
| Dichotomous (<0.70)* | -- | -- | 0.82 (<0.0001) | 100/65.7 |
|
| ||||
| LV LEAD POSITION | ||||
|
| ||||
| Early Mechanical Stretch | 3.95 (1.50–10.4) | 7.73 (0.005) | 0.66 (0.003) | 72.5/60.0 |
|
| ||||
| Lead Not in Scar | 5.33 (1.92–14.9) | 10.27 (0.001) | 0.69 (0.0005) | 80.0/60.0 |
|
| ||||
| QLV | ||||
| Continuous (10ms) | 1.31 (1.12–1.54) | 11.67 (0.0006) | 0.76 (<0.0001) | -- |
| Dichotomous (≥95ms) | 6.73 (2.26–20.1) | 11.68 (0.0006) | 0.70 (0.0001) | 85.0/57.1 |
|
| ||||
| GLOBAL LV STRUCTURE | ||||
|
| ||||
| LV Percent Scar Volume | ||||
| Continuous (per 10%) | 0.79 (0.52–1.21) | 1.18 (0.28) | 0.59 (0.16) | -- |
| Dichotomous (≤20%) | 3.17 (0.574–17.5) | 1.75 (0.19) | 0.55 (0.18) | 95.0/14.3 |
|
| ||||
| LV Mass Index | ||||
| Continuous (per 10 g/m2) | 0.75 (0.59–0.96) | 5.44 (0.02) | 0.68 (0.002) | |
| Dichotomous (≤70g/m2) | 2.29 (0.904–5.80) | 3.05 (0.08) | 0.60 (0.08) | 53.3/62.9 |
*
Likelihood ratio could not be calculated due to 0% responders with CURE ≥ 0.70