Table 4. Logistic regression analysis for residual tricuspid regurgitation (≥3+).
| Univariate analysis | Multivariate analysis | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| OR | 95% CI | p-value | Model 1 | Model 2 | |||||
| Adjusted OR | 95% CI | p-value | Adjusted OR | 95% CI | p-value | ||||
| LAI (per 0.1 increase) | 0.34 | 0.21-0.55 | <0.001 | 0.38 | 0.22-0.66 | 0.007 | 0.41 | 0.25-0.70 | 0.008 |
| Geometric parameters | |||||||||
| Coaptation gap (mm) | 1.24 | 1.10-1.40 | <0.001 | 1.12 | 0.96-1.31 | 0.13 | |||
| Coaptation depth (mm) | 1.12 | 1.02-1.24 | 0.02 | 1.09 | 0.96-1.23 | 0.92 | |||
| Non-central/non-anteroseptal TR jet location | 2.86 | 1.27-6.43 | 0.01 | 2.01 | 0.78-5.16 | 0.15 | |||
| Annular diameter (mm) | 1.05 | 1.00-1.11 | 0.07 | ||||||
| Anterior leaflet length (mm) | 0.98 | 0.92-1.04 | 0.47 | ||||||
| Septal leaflet length (mm) | 0.96 | 0.89-1.03 | 0.27 | ||||||
| Secondary TR | 3.30 | 0.39-27.72 | 0.27 | ||||||
| Cardiac parameters | |||||||||
| TR ≥4+ | 8.13 | 3.54-18.70 | <0.001 | 4.97 | 2.02-2.25 | <0.001 | |||
| Right atrial area (cm2) | 1.03 | 1.00-1.07 | 0.04 | 1.02 | 0.98-1.06 | 0.34 | |||
| LVEF (%) | 1.01 | 0.97-1.05 | 0.55 | ||||||
| LVEDV (ml) | 0.99 | 0.98-1.00 | 0.07 | ||||||
| Right ventricular diameter (mm) | 1.02 | 0.97-1.06 | 0.49 | ||||||
| SPAP (mmHg) | 0.98 | 0.94-1.01 | 0.13 | ||||||
| TAPSE (mm) | 1.00 | 0.93-1.08 | 0.99 | ||||||
| CI: confidence interval; LAI: leaflet-to-annulus index; LVEDV: left ventricular end-diastolic volume; LVEF: left ventricular ejection fraction; OR: odds ratio; SPAP: systolic pulmonary artery pressure; TAPSE: tricuspid annular plane systolic excursion; TR: tricuspid regurgitation | |||||||||