Table 2.
Predictors of CRT super-response, and uni- and multivariate logistic regression models.
| Univariate | Multivariate | ||||
|---|---|---|---|---|---|
| OR (95% CI) | P-value | β | OR (95% CI) | P value | |
| Sex (female) | 1.76 (1.12–2.78) | 0.014 | |||
| History of HF ≤ 96 months | 2.01 (1.14–3.55) | 0.016 | |||
| Nonischemic etiology | 2.03 (1.07–3.88) | 0.031 | |||
| Prior no AF | 2.82 (0.96–8.27) | 0.058 | |||
| Prior no frequent PVCs | 1.86 (1.19–2.92) | 0.007 | |||
| Prior no fragmented QRS | 2.57 (1.33–4.97) | 0.005 | 1.131 | 3.10 (1.39–6.94) | 0.006 |
| LBBB | 3.93 (1.73–8.89) | 0.001 | 0.933 | 2.57 (1.04–6.37) | 0.042 |
| QRS duration ≥170 ms | 1.97 (1.22–3.18) | 0.006 | 0.862 | 2.37 (1.35–4.12) | 0.003 |
| Prior no MI | 2.59 (1.13–5.97) | 0.025 | |||
| LVEDD <75 mm | 3.31 (1.82–6.01) | <0.001 | 1.407 | 4.11 (1.99–8.48) | <0.001 |
| LAD <45 mm | 3.63 (2.15–6.12) | <0.001 | 1.179 | 3.27 (1.81–5.89) | <0.001 |
CI, confidence interval; OR, odds ratio; β, β partial regression coefficient. AF, atrial fibrillation; CRT, cardiac resynchronization therapy; HF, heart failure; LAD, left atrial diameter; LBBB, left bundle branch block; LVEDD, left ventricular end-diastolic diameter; MI, myocardial infarction; PVCs, premature ventricular contractions.