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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