Variable
Total (n = 128) PPM (n = 34) Non-PPM (n = 94)
P-value
Left atrial diameter (mm) 52 ± 11 56 ± 12 50 ± 10 .001
Left ventricle diastolic diameter (mm) 52 ± 9 55 ± 8 51 ± 9 .031
Left ventricle systolic diameter (mm) 37 ± 10 38 ± 8 37 ± 11 .43
Mitral peak pressure gradient (mmHg) 15.5 ± 7.2 17.2 ± 8.5 14.8 ± 6.7 .11
Mitral mean pressure gradient (mmHg) 5.8 ± 3.0 6.3 ± 3.4 5.5 ± 2.9 .18
Systolic pulmonary arterial pressure (mmHg) 26 ± 10 27 ± 9 26 ± 10 .69
Pressure half time (sec) 102 ± 30 134 ± 27 91 ± 22 <.001
Effective orifice area (cm2) 2.3 ± 0.7 1.6 ± 0.2 2.6 ± 0.6 <.001
Effective orifice area index (cm2/m2) 1.6 ± 0.6 1.0 ± 0.1 1.8 ± 0.5 <.001