Table 1. Indications for surgery.
| Indications | TVD group (n) | Non-TVD group (n) |
| Aortic regurgitation | 12 | 40 |
| Left ventricular dilation | 15 | 42 |
| Pulmonary hypertension | 9 | 7 |
| Endocarditis | 6 | 18 |
| Left ventricular dysfunction | 6 | 15 |
| Coronary cusp prolapse | 4 | 10 |
| Mitral regurgitation | 3 | 10 |
| Subaortic stenosis | 1 | 2 |
Overall n value is more than 100% because many patients had multiple indications. TVD, tricuspid valve detachment.