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Table 3 Preoperative and follow-up echocardiographic and functional parameters

From: Role of mitral valve repair in active infective endocarditis: long term results

Parameter Preoperative Follow up  
LV Ejection fraction (%)
  > 50% 26 29  
 35–50% 4 0 χ 2 5.472
  < 35% 4 0 p 0.065
Pulmonary systolic pressure (mmHg)
  > 50 mmHg 6 0  
 30–50 mmHg 19 14 χ2 7.264
  < 30 mmHg 9 15 p 0.0265
LV end diastolic diameter (mm)
  < 55 mm 17 24  
 55–60 mm 3 5 χ2 16.92
  > 60 mm 14 0 p 0.0002
Mitral regurgitation
 0 0 9  
  < 2+ 4 20 χ2 47.57
 3+ 4+ 30 0 p < 0.0001
NYHA functional class
 I 3 17  
 II 9 10 χ2 25.69
 III 17 2 p < 0.0001
 IV 5 0