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Table 1 Patients' baseline characteristics

From: Echocardiographic assessment of mitral valve morphology after Percutaneous Transvenous Mitral Commissurotomy (PTMC)

Age (years) 30 ± 9 (12–56)
Male gender 97(33%)
Patients' complaint:  
   • 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  
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