Table 1 Patients' baseline characteristics
Age (years) | 30 ± 9 (12–56) |
Male gender | 97(33%) |
Patients' complaint: | Â |
   • Dyspnea | 234 (80%) |
   • Low cardiac output | 123 (42%) |
   • Palpitation | 158 (54%) |
   • Previous systemic | 3 (1%) |
   • embolism | 83 (29%) |
NYHA class ≥ III | 131 (45%) |
Atrial fibrillation | Â |
Pulmonary hypertension: | 13 (5%) |
   • No (<30 mmHg) | 131 (40%) |
   • Mild (30–49 mmHg) | 93 (32%) |
   • Moderate (50–69 mmHg) | 67 (23%) |
   • Severe ≥ (70 mmHg) |  |
Wilkins' score | 1.9 ± 0.5 |
   • Mitral valve mobility | 2.1 ± 0.5 |
   • Mitral valve thickness | 1.2 ± 0.9 |
   • Mitral valve calcification | 1.8 ± 0.6 |
   • Subvalvular thickening | 7.0 ± 1.7 |
   • Total Wilkins' score |  |
Commissural calcification | 198 (68%) |
   • No | 65 (22%) |
   • Unicommissural | 28 (10%) |
   • Bicommissural |  |