Table 4.
Univariate analysis for the potential risk factors of development of moderate or severe TR during follow-up
| Variable | Hazard ratio (95% confidence interval) | p-value |
|---|---|---|
| Age | 1.056 (0.989–1.127) | 0.104 |
| Female sex | 0.135 (0.017–1.094) | 0.061 |
| Smoking | 0.034 (0.000–43.278) | 0.353 |
| Hypertension | 1.408 (0.336–5.903) | 0.639 |
| Coronary artery disease | 1.665 (0.205–13.555) | 0.634 |
| Liver disease | 5.799 (0.695–48.373) | 0.104 |
| Dialysis | 0.049 (0.000–3.178×1011) | 0.841 |
| Chronic obstructive pulmonary disease | 0.049 (0.000–7.987×1038) | 0.949 |
| Stroke | 2.525 (0.310–20.585) | 0.387 |
| Rheumatic etiology | 0.373 (0.089–1.564) | 0.178 |
| Mitral valve replacement | 0.858 (0.214–3.438) | 0.828 |
| TV annular diameter (mm) | 1.256 (1.084–1.455) | 0.002 |
| Preoperative TR grade | 3.224 (0.923–11.261) | 0.067 |
| TV annular index (mm/m2) | 1.572 (1.253–1.971) | <0.001 |
| Left atrial diameter (mm) | 1.082 (1.007–1.163) | 0.031 |
| Preoperative atrial fibrillation | 14.245 (1.741–116.578) | 0.013 |
| Preoperative pulmonary artery systolic pressure (mm Hg) | 1.004 (0.959–1.052) | 0.854 |
TR, tricuspid regurgitation; TV, tricuspid valve.