Table 5.
Results of univariate and multivariate analysis for the identification of independent variables predicting residual mitral regurgitation ≥2.
| Univariate Model | Multivariate Model | |||
|---|---|---|---|---|
| OR (95% CI) | p Value | OR (95% CI) | p Value | |
| Male | 0.747 (0.396–1.408) | 0.367 | ||
| Age (years) | 1.009 (0.984–1.034) | 0.490 | ||
| Body surface area (m2) | 0.984 (0.204–4.754) | 0.984 | ||
| Antero-posterior mitral anulus diameter (mm) | 1.009 (0.951–1.070) | 0.774 | ||
| Medio-lateral mitral anulus diameter (mm) | 0.996 (0.935–1.061) | 0.906 | ||
| Left ventricular stroke volume index (mL/mq) | 1.020 (0.998–1.044) | 0.081 | 1.018 (0.993–1.043) | 0.144 |
| Left ventricular ejection fraction (%) | 0.989 (0.945–1.034) | 0.628 | ||
| Left atrial volume index (mL/mq) | 1.005 (0.994–1.017) | 0.377 | ||
| Tricuspid regurgitation ≥ 2 | 0.619 (0.303–1.262) | 0.187 | ||
| Systolic pulmonary pressure (mmHg) | 1.054 (1.028–1.082) | <0.001 | 1.056 (1.029–1.084) | <0.001 |
| Etiology (Presence of fibroelastic deficiency) | 1.764 (0.785–3.965) | 0.169 | ||
| Complex mitral valve prolapse | 0.425 (0.228–0.792) | 0.007 | 0.414 (0.215–0.798) | 0.008 |
| Complex surgical procedure | 0.457 (0.245–0.851) | 0.014 | 0.646 (0.297–1.407) | 0.247 |