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Table 3 Linear predictors of improved leaflet excursion after PTMC

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

  Anterior leaflet excursion B (95% CI) Posterior leaflet excursion B (95% CI)
Age -0.001 (-0.006 to 0.008) -0.002 (-0.008 to 0.005)
Effective dilating diameter 0.007 (-0.003 to 0.017) 0.01 (-0.001 to 0.018)
Valve mobility -0.02 (-0.08 to 0.04) -0.03 (-0.08 to 0.08)
Valvular thickening -0.01 (-0.04 to 0.08) -0.04 (-0.06 to 0.08)
Valvular calcification -0.01 (-0.06 to 0.07) -0.02 (-0.07 to 0.04)
Subvalvular thickening -0.03 (-0.09 to 0.05) -0.05 (-0.09 to 0.08)
Wilkins' score -0.01 (-0.04 to 0.04) -0.06 (-0.08 to 0.04)
Commissural calcium score -0.02 (-0.07 to 0.01) -0.03 (-0.11 to 0.05)
Mitral valve area 0.12 (-0.03 to 0.31) 0.10 (-0.05 to 0.15)
Subvalvular splitting area 0.16 (0.09 to 0.20)* 0.12 (0.06 to 0.20)*
Anterior commissural splitting score 0.14 (-0.03 to 0.18) 0.08 (-0.02 to 0.11)
Posterior commissural splitting score 0.01 (-0.02 to 0.06) 0.07 (-0.10 to 0.11)
Total commissural splitting score 0.08 (-0.03 to 0.1) 0.002 (-0.002 to 0.008)
Left atrial diameter 0.05 (-0.04 to 0.11) 0.05 (-0.02 to 0.09)
Left ventricle end-diastolic diameter 0.06 (-0.04 to 0.1) 0.05 (-0.05 to 0.1)
Left ventricle end-systolic diameter 0.04 (-0.08 to 0.11) 0.02 (-0.03 to 0.1)
Ejection fraction 0.001 (-0.007 to 0.008) 0.001 (-0.005 to 0.008)
Transmitral pressure gradient -0.02 (-0.04 to -0.005)† -0.01 (-0.04 to -0.005)*
Degree of mitral regurgitation -0.005 (-0.09 to 0.002) -0.006 (-0.09 to -0.001)
  1. CI, confidence interval. * p < 0.05, † p < 0.01