Table 2. Univariate and multivariate analyses to determine independent predictors of continued aortic regurgitation.
| Univariate | Multivariate | |||||
|---|---|---|---|---|---|---|
| OR | 95% CI | P value | OR | 95% CI | P value | |
| Age (year) | 0.996 | 0.949–1.046 | 0.877 | |||
| Sex (female) | 1.257 | 0.449–3.523 | 0.663 | |||
| Body surface area (kg/m2) | 1.207 | 0.079–18.393 | 0.892 | |||
| Left atrial diameter >50 mm | 6.250 | 1.806–21.626 | 0.004 | 4.739 | 1.259–17.846 | 0.021 |
| Aortic regurgitation jet deviation | 5.357 | 1.100–26.089 | 0.038 | 3.692 | 0.648–21.031 | 0.141 |
| HbA1c (%) | 1.988 | 0.770–5.134 | 0.156 | |||
| Cardio–thoracic ratio (%) | 1.044 | 0.975–0.118 | 0.221 | |||
| Ejection fraction (%) | 1.024 | 0.981–1.069 | 0.279 | |||
| Atrial fibrillation | 2.448 | 0.762–7.862 | 0.133 | |||
| Mitral regurgitation, severe | 2.992 | 1.034–8.659 | 0.043 | 2.398 | 0.661–8.702 | 0.183 |
| Mitral regurgitation, moderate | 0.334 | 0.115–0.967 | 0.043 | |||
| Mitral stenosis, moderate/severe | – | – | – | |||
| Tricuspid regurgitation, moderate/severe | 0.929 | 0.307–2.813 | 0.896 | |||
| Aortic stenosis, mild–severe | – | – | – | |||
| Bicuspid aortic valve | – | – | – | |||
| Left ventricular end–diastolic diameter (mm) | 1.035 | 0.965–1.111 | 0.338 | |||
| Left ventricular end–systolic diameter (mm) | 0.991 | 0.933–1.052 | 0.761 | |||
| Left ventricular end–diastolic volume (ml) | 1.009 | 0.997–1.020 | 0.144 | |||
| Left ventricular end–systolic volume (ml) | 1.004 | 0.987–1.020 | 0.670 | |||
| Ventriculo–aortic junction (mm) | 0.944 | 0.747–1.193 | 0.631 | |||
| Sinus of valsalva (mm) | 1.079 | 0.929–1.252 | 0.320 | |||
| Sinotubular junction (mm) | 1.014 | 0.877–1.174 | 0.850 | |||
| Hypertension | 3.267 | 1.119–9.537 | 0.030 | 2.782 | 0.806–9.603 | 0.105 |
| Diabetes mellitus | 1.547 | 0.429–5.574 | 0.505 | |||
CI: confidence interval; HbA1c: hemoglobin A1c; OR: odds ratio