TABLE 3.
Cox proportional analysis for clinical outcomes.
| Univariate |
Model 1 |
Model 2 |
|||||||
| HR | 95% CI | P-value | HR | 95% CI | P-value | HR | 95% CI | P-value | |
| Clinical characteristics | |||||||||
| Charlson Comorbidity Index | 1.186 | 0.944–1.49 | 0.144 | ||||||
| AF | 2.362 | 1.300–4.290 | 0.005 | 1.156 | 0.450–2.974 | 0.763 | 0.859 | 0.375–1.967 | 0.719 |
| MV characteristics | |||||||||
| EROA, cm2 | 1.049 | 1.029–1.070 | <0.001 | ||||||
| MR volume, ml | 1.037 | 1.023–1.052 | <0.001 | 1.022 | 1.006–1.038 | 0.006 | |||
| MDPG, mmHg | 1.099 | 0.978–1.235 | 0.114 | ||||||
| Chamber characteristics | |||||||||
| LVESV, ml | 1.011 | 1.002–1.020 | 0.015 | 1.005 | 0.993–1.018 | 0.408 | |||
| LVEF, % | 0.983 | 0.953–1.014 | 0.276 | ||||||
| LA volume index, ml/m2 | 1.013 | 1.007–1.018 | <0.001 | 1.006 | 0.997–1.015 | 0.173 | 1.005 | 0.997–1.013 | 0.236 |
| LV GLS, % | 1.020 | 0.997–1.077 | 0.469 | ||||||
| LA strain, % | 0.955 | 0.926–0.985 | 0.003 | 0.993 | 0.945–1.043 | 0.765 | |||
| MR volume/LA strain, ml/% | 1.348 | 1.210–1.502 | <0.001 | 1.269 | 1.109–1.452 | <0.001 | |||
| PASP, mmHg | 1.065 | 1.042–1.088 | <0.001 | 1.034 | 1.005–1.063 | 0.020 | 1.040 | 1.014–1.066 | 0.002 |
AF, atrial fibrillation; EROA, effective regurgitant orifice area; MR, mitral regurgitation; MDPG, mean diastolic pressure gradient; LVESV, left ventricular end-systolic volume; LVEF, left ventricular ejection fraction; LA, left atrial; LV GLS, left ventricular global longitudinal strain; PASP, pulmonary artery systolic pressure.