Table 4.
Predictors of the primary outcome in three different models in the multivariate analysis using Cox regression analysis.
| Variables | HR (95% CI) | p value |
|---|---|---|
| Model 1 | ||
| NYHA functional status ≥ III | 3.58 (1.25–10.2) | 0.02 |
| Known SHD | 1.78 (0.77–4.16) | 0.18 |
| Pre-rEF | 1.74 (0.78–3.89) | 0.17 |
| Septal e′ peak velocity ≤ 5.0 (cm/s) | 3.87 (1.73–8.69) | 0.001 |
| Model 2 | ||
| NYHA functional status ≥ III | 3.36 (1.21–9.31) | 0.02 |
| Known SHD | 1.80 (0.75–4.33) | 0.19 |
| Pre-rEF | 1.78 (0.81–3.93) | 0.15 |
| Septal E/e′ ≥13.2 | 3.62 (1.60–8.21) | 0.002 |
| Model 3 | ||
| NYHA functional status ≥ III | 4.45 (1.57–12.6) | 0.005 |
| Known SHD | 2.48 (1.10–5.60) | 0.03 |
| Pre-rEF | 1.47 (0.67–3.20) | 0.34 |
| Peak TRV ≥ 2.5 (m/s) | 2.42 (1.13–5.16) | 0.02 |
Xxx CI, confidence interval; E, early diastolic left ventricular filling velocity; HR, hazard ratio. NYHA, New York Heart Association; Peak TRV, peak tricuspid valve regurgitation velocity; Pre-rEF, Pre-ablation reduced ejection fraction (left ventricular ejection fraction < 40%); septal e′ peak velocity, septal early diastolic mitral annular velocity; SHD, structural heart disease.