Table 3. Odds ratios of independent predictors for CRT non-response in HF patients (multivariate logistic analysis).
| Predictors | Odds Ratio | 95% confidence intervals | p value |
|---|---|---|---|
| Age >60 years | 0.917 | 0.527–1.596 | 0.759 |
| Male | 1.643 | 0.885–3.05 | 0.116 |
| HF ≥ 5 years | 0.872 | 0.506–1.506 | 0.624 |
| NYHA class ≥ 3 | 1.563 | 0.782–3.126 | 0.206 |
| AF | 0.892 | 0.427–1.864 | 0.761 |
| HTN | 0.794 | 0.451–1.506 | 0.425 |
| DM | 0.543 | 0.167–1.769 | 0.311 |
| LAV > 110 mL | 1.001 | 0.987–1.015 | 0.889 |
| LVESV > 160 mL | 1.18 | 0.544–2.56 | 0.676 |
| LVEDV > 255 mL | 2.236 | 1.016–4.923 | 0.046 |
| E/A > 1 | 0.211 | 0.079–0.566 | 0.002 |
| E’/A’ > 1 | 0.054 | 0.017–0.172 | ＜0.001 |
| S > 5.7 cm/s | 0.242 | 0.089–0.657 | 0.005 |
| CLBBB | 0.141 | 0.048–0.409 | ＜0.001 |
| QRS > 160 ms | 0.53 | 0.305–0.922 | 0.025 |
| QTc > 485 ms | 0.539 | 0.189–1.535 | 0.247 |
| TpTe/QTc > 0.203 | 5.206 | 1.89–14.34 | 0.001 |
Presented multivariate logistic regression analysis of risk factors with odds ratio and its 95% confidence interval. LVEDV but not LVESV, TpTe/QTc, CLBBB, QRS, E/A, E’/A’ and S wave were valuable to predict CRT non-response.