Table 2.
Single‐Predictor and Multiple‐Predictor Logistic Regression Models of Predicting CRT Response
| Variables | Univariate | Multivariate | ||
|---|---|---|---|---|
| OR (95% CI) | P Value | OR (95% CI) | P Value | |
| Age, y | 0.985 (0.954–1.016) | 0.334 | 0.981 (0.938–1027) | 0.415 |
| Female sex | 2.827 (1.059–7.546) | 0.038 | 1.555 (0.403–6.006) | 0.522 |
| Nonischemic etiology | 3.231 (1.438–7.260) | 0.005 | 1.533 (0.480–4.896) | 0.471 |
| QRS width, ms | 1.025 (1.006–1.043) | 0.008 | 1.027 (1.004–1.050) | 0.023 |
| LBBB | 3.643 (1.673–7.934) | 0.001 | 3.568 (1.284–9.910) | 0.015 |
| LVEDVI, mL/m2 | 0.979 (0.965–0.992) | 0.002 | 0.970 (0.953–0.987) | 0.001 |
Abbreviations: CI, confidence interval; CRT, cardiac resynchronization therapy; LBBB, left bundle branch block; LVEDVI, left ventricular end‐diastolic volume index; OR, odds ratio.